Browse Standards
Found: 226547 — page 4429 of 4720
Valid
GB/T 12166-1990 — Electrical characteristics of unbalanced voltage digital interface circuits
National·Recommended
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$165.0010 pages
Superseded
GB/T 12167-1990 — Aluminium-alloy clamping wire apparatus for live working
National·Recommended
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$255.00PDF
Superseded
GB/T 12168-1990 — Protective cover for live working
National·Recommended
Instant delivery (0–9 sec)
$495.00PDF
Withdrawn
GB/T 12171-1990 — Specification for TDM/FDM 60-channel transmultiplexing equipments used in the telecommunication network
National·Recommended
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$435.00PDF
Superseded
GB/T 12173-1990 — Mining electrical apparatus for non-hazardous area
National·Recommended
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$115.00PDF
Superseded
GB/T 12177-1990 — Numerical control of machines--NC processor output--Logical structure
National·Recommended
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$465.00PDF
Superseded
GB/T 12179-1990 — General specifications of noise generators
National·Recommended
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$255.00PDF
Withdrawn
GB/T 12180-1990 — Test methods for general purpose low frequency signal generators
National·Recommended
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$169.00PDF
Withdrawn
GB/T 12181-1990 — General purpose specification of low frequency signal generators
National·Recommended
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$169.00PDF
Superseded
GB/T 12182-1990 — General specification of secondary surveillance radar for air traffic control
National·Recommended
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$475.00PDF
Superseded
GB/T 12183-1990 — General specification of airborne transponders for air traffic control
National·Recommended
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$415.00PDF
Superseded
GB/T 12184-1990 — Information processing--Magnetic ink character recognition--Print specifications
National·Recommended
Instant delivery (0–9 sec)
$510.00PDF
Withdrawn
GB/T 12185-1990 — General specification for exciter used to MW AM broadcast transmitter
National·Recommended
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$105.00PDF
Withdrawn
GB/T 12189-1990 — General specification for television broadcasting exciter
National·Recommended
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$169.00PDF
Superseded
GB/T 12190-1990 — Measurement of shielding effectiveness of high-performance shielding enclosures
National·Recommended
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$525.00PDF
Superseded
GB/T 12192-1990 — Methods of measurement for radio transmitters employing F3E emission used in the mobile services
National·Recommended
Instant delivery (0–9 sec)
$770.00PDF
Superseded
GB/T 12193-1990 — Methods of measurement for radio receivers employing F3E emission used in the mobile services
National·Recommended
Instant delivery (0–9 sec)
$710.00PDF
Withdrawn
GB/T 12194-1990 — Television broadcasting transmitter terminology
National·Recommended
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$965.00PDF
Withdrawn
GB/T 12195-1990 — Methods of measurement for pushbutton telephone with pulse
National·Recommended
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$315.00PDF
Withdrawn
GB/T 12196-1990 — Methods of measurement for pushbutton dialer with pulse
National·Recommended
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$115.00PDF
Withdrawn
GB/T 12197-1990 — Methods of measurement for pushbutton telephone with DTMF
National·Recommended
Instant delivery (0–9 sec)
$964.00PDF
Withdrawn
GB/T 12198-1990 — Methods of measurement for pushbutton dialer with DTMF
National·Recommended
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$325.00PDF
Superseded
GB/T 12199-1990 — Basic environmental testing procedures for nonbroadcasting video cassette tape recorders
National·Recommended
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$105.00PDF
Valid
GB/T 12200.1-1990 — Chinese information processing--Vocabulary--Part 01:Fundamental terms
National·Recommended
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$135.008 pages
Superseded
GB/T 12204-1990 — Glossary of general terms in metal cutting
National·Recommended
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$1,040.00PDF
Withdrawn
GB/T 12205-1990 — Chemical analysis method for main composition of manufactured fuel gas
National·Recommended
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$325.00PDF
Superseded
GB/T 12206-1990 — Method of testing for calorific value of gas in urban areas
National·Recommended
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$285.00PDF
Superseded
GB/T 12207-1990 — Method of testing for relative density of gas in urban area
National·Recommended
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$249.00PDF
Superseded
GB/T 12208-1990 — Determination of coal tar and dust of gas in urban area
National·Recommended
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$510.00PDF
Superseded
GB/T 12209.1-1990 — Determination of naphthalene of gas in urban area--Picric acid method
National·Recommended
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$289.00PDF
Superseded
GB/T 12209.2-1990 — Determination of naphthalene of gas in urban area--Gas chromatographic method
National·Recommended
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$285.00PDF
Superseded
GB/T 12210-1990 — Determination of ammonia of gas in urban area
National·Recommended
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$115.00PDF
Withdrawn
GB/T 12211-1990 — Determination of hydrogen sulfide of gas in urban area
National·Recommended
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$169.00PDF
Superseded
GB/T 12212-1990 — Technical drawings--Dimensions, proportions and simplified representation for welding symbols
National·Recommended
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$435.00PDF
Valid
GB/T 12213-1990 — Technical drawings for glassware
National·Recommended
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$105.00PDF
Superseded
GB/T 12214-1990 — Silica sand and flour for investment casting
National·Recommended
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$145.00PDF
Superseded
GB/T 12215-1990 — Bauxite sand and flour for investment casting
National·Recommended
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$145.00PDF
Withdrawn
GB/T 12216-1990 — The residue from distrition of synthe4ic fatty acids as binder for foundry
National·Recommended
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$169.00PDF
Superseded
GB/T 12217-1990 — Machine--Shaft heights
National·Recommended
Instant delivery (0–9 sec)
$95.00PDF
Withdrawn
GB/T 12256-1990 — Test method for stiffness of hypodermic needle tubing
National·Recommended
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$169.00PDF
Valid
GB/T 12267-1990 — Marine navigational equipment--General requirements--Methods of testing and required test results
National·Recommended
Instant delivery (0–9 sec)
$474.009 pages
Withdrawn
GB/T 12269-1990 — Generic specification for radio-frequency cables
National·Recommended
Instant delivery (0–9 sec)
$169.00PDF
Valid
GB/T 12270-1990 — Electrical tests and measuring procedures for radio-frequency coaxial connectors screening effectiveness
National·Recommended
Instant delivery (0–9 sec)
$165.0015 pages
Valid
GB/T 12271-1990 — Measuring methods of RF insertion loss for radio-frequency coaxial connectors
National·Recommended
Instant delivery (0–9 sec)
$1,714.0015 pages
Valid
GB/T 12272-1990 — Measuring method of radio-frequency high potential withstanding voltage for radio-frequency coaxial connectors
National·Recommended
Instant delivery (0–9 sec)
$65.008 pages
Valid
GB/T 12274-1990 — Quartz crystal controlled oscillators of assessed quality -- Part 1: Generic specification
National·Recommended
Instant delivery (0–9 sec)
$1,454.0063 pages
Valid
GB/T 12275-1990 — The rule of type designation for quartz crystal oscillators
National·Recommended
Instant delivery (0–9 sec)
$80.008 pages
Valid
GB/T 12276-1990 — Fixed resistors for use in electronic equipment. Part 7: Sectional specification. Fixed resistor networks in which not all resistors are individually measurable
National·Recommended
Instant delivery (0–9 sec)
$195.0010 pages