GB/T Standards
Found: 49235 — page 1012 of 1026
Valid
GB/T 11449.6-1989 — Flanges for waveguides. Part 7: Relevant specification for flanges for square waveguides
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$85.003 pages
Valid
GB/T 11450.1-1989 — Hollow metallic waveguides. Part 1: General requirement and measuring methods
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$334.007 pages
Valid
GB/T 11450.2-1989 — Hollow metallic waveguides. Part 2: Relevant specifications for ordinary rectangular waveguides
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$194.004 pages
Valid
GB/T 11450.3-1989 — Hollow metallic waveguides. Part 3: Relevant specifications for flat rectangular waveguides
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$124.002 pages
Valid
GB/T 11450.4-1989 — Hollow metallic waveguides. Part 4: Relevant specifications for circular waveguides
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$194.004 pages
Valid
GB/T 11450.5-1989 — Hollow metallic waveguides. Part 6: Relevant specifications for medium flat rectangular waveguides
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$124.002 pages
Valid
GB/T 11450.6-1989 — Hollow metallic waveguides. Part 7: Relevant specifications for square waveguides
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$144.003 pages
Valid
GB/T 11451-1989 — Flexible waveguide assembly performance
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$444.009 pages
Valid
GB/T 11463-1989 — Reliability test for electronic measuring instruments
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$794.0015 pages
Valid
GB/T 11668-1989 — Spine titles on books and other publications
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$144.003 pages
Valid
GB/T 11708-1989 — The naming and the coding rules for highway bridge
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$124.002 pages
Valid
GB/T 11793.1-1989 — Test methods on mechanical and weathering properties for unplasticized polyvinyl chloride (PVC-U) doors and windows
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$344.0011 pages
Valid
GB/T 11828-1989 — Instruments for stage measurement -- Part 1: Float-type stage gauge
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$115.009 pages
Valid
GB/T 11841-1989 — Uranium in uranium dioxide powder and pellets. Determination of uranium. Ferrous sulfate reduction-potassium dichromate oxidation titrimatric method
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$70.004 pages
Valid
GB/T 11845-1989 — Uranium dioxide powder and pellets. Determination of tungsten. Spectrophotometric method
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$75.002 pages
Valid
GB/T 11874-1989 — Direction of opening and symbolic designation of marine doors and windows
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$234.005 pages
Valid
GB/T 11889-1989 — Water quality. Determination of aniline compounds. Spectrophotometric method with N-(1-naphthyl) ethylenediamine
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$164.004 pages
Valid
GB/T 11891-1989 — Water quality. Determination of kjeldahl nitrogen
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$164.004 pages
Valid
GB/T 11892-1989 — Water quality. Determination of permanganate index
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$65.008 pages
Valid
GB/T 11893-1989 — Water quality--Determination of total phosphorus--Ammonium molybdate spectrophotometric method
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$25.0011 pages
Valid
GB/T 11895-1989 — Water quality. Determination of benzo(alpha)-pyrene. Acetylated paper chromatography with fluorescence spectrophotometric method
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$194.004 pages
Valid
GB/T 11899-1989 — Water quality. Determination of sulfate. Gravimetric method
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$164.004 pages
Valid
GB/T 11900-1989 — Water quality--Determination of trace amounts of arsenic--Spectrophotometric method with silver salt
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$165.0010 pages
Valid
GB/T 11901-1989 — Water quality--Determination of suspended substance--Gravimetric method
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$55.008 pages
Valid
GB/T 11902-1989 — Water quality. Determinaton of selenium. Diaminonaphthalene fluorometric method
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$194.004 pages
Valid
GB/T 11903-1989 — Water quality. Determination of colority
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$144.003 pages
Valid
GB/T 11904-1989 — Water quality. Determinatoin of potassium and sodium. Flame atomic absorption spectrophotometry
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$144.003 pages
Valid
GB/T 11905-1989 — Water quality. Determination of calcium and magnesium. Atomic absorption spectrophotometric method
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$164.004 pages
Valid
GB/T 11906-1989 — Water quality. Determination of manganese. Potassium periodate spectrophotometric method
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$144.003 pages
Valid
GB/T 11907-1989 — Water qualtiy. Determination of silver. Flame atomic absorption spectrophotometric method
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$144.003 pages
Valid
GB/T 11910-1989 — Water quality. Determination of nickel. Dimethylglyoxime spectrophotometric method
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$164.004 pages
Valid
GB/T 11911-1989 — Water quality. Determination of iron and manganese. Flame atomic absorption spectrometric method
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$144.003 pages
Valid
GB/T 11912-1989 — Water quality. Determination of nickel. Flame atomic absorption spectrometric method
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$144.003 pages
Valid
GB/T 11986-1989 — Surface active agents. Powders and granules. Mesurement of the angle of repose
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$95.007 pages
Valid
GB/T 12005.1-1989 — Determination for limiting viscosity number of polyacrylamide
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$234.005 pages
Valid
GB/T 12005.2-1989 — Determination of solid content of polyacrylamide
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$65.008 pages
Valid
GB/T 12005.6-1989 — Determination of hydrolysis degree ofpartly hydrolysis polyacrylamide
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$70.008 pages
Valid
GB/T 12005.7-1989 — Determination of particle size of powder polyacry-lamide
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$65.008 pages
Valid
GB/T 12005.8-1989 — Determination of dissolving velocity ofpowder polyacrylamide
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$80.008 pages
Valid
GB/T 12006.4-1989 — Polyamide homopolymers. Determination of matter extractable by boiling methanol
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$95.004 pages
Valid
GB/T 12007.3-1989 — Epoxide resins. Determination of total chlorine content
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$95.004 pages
Valid
GB/T 12007.6-1989 — Epoxide resins. Determination of softening point. Ring and ball method
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$95.004 pages
Valid
GB/T 12007.7-1989 — Determination of gelation time of epoxide resins
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$144.003 pages
Valid
GB/T 12041-1989 — Information technology -- Chinese ideogram coded character set (basic set). 48 dot matrix font -- Part 1: Song Ti
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$814.0027 pages
Valid
GB/T 12052-1989 — Korean character coded character set for information interchange
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$450.0025 pages
Valid
GB/T 12053-1989 — Alphanumeric character sets for optical recognition. Part 1: Character set OCR-A. Shapes and dimensions of the printed image
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$285.0018 pages
Valid
GB/T 12054-1989 — Data processing. Procedure for registration of escape sequences
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$199.006 pages
Valid
GB/T 12055-1989 — Information processing. Magnetic tape cassette and cartridge labelling and file structure for information interchange
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$135.009 pages