GB/T 4193-1984Method for measuring the density of the fine wire and ribbon of tungsten and molybdenum used in electric light sources and vacuum tubes (English PDF)

GB/T 4193-1984 is the English-translated version of 电真空器件及电光源用细钨丝,钼丝和薄带密度的测试方法.

GB/T 4193-1984 — This standard applies to electrical density measuring diameter vacuum devices and electric light with a fine tungsten wire, molybdenum wire and a thin strip of ��20 ~ 300��m.

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 1 pages — is available in the English PDF.

1. 1

   Add to cart

   Click "Download PDF" on this page and choose "Buy this standard". You can add more standards before checkout.

2. 2

   Checkout

   Enter your email and billing details. Payment is processed securely by Stripe (cards or bank transfer). Prefer bank details? Request a quotation (min. order $300).

3. 3

   Instant delivery (0–9 sec)

   Delivery is automatic: within seconds of payment you'll receive an email with a secure download link. The link stays valid for 72 hours.

4. 4

   Invoice included

   A tax invoice is attached to the confirmation email. Need a custom invoice? Contact us.