ГОСТ Стандарт

ГОСТ 16883.3-71

Спектральный метод определения содержания свинца, железа и висмута

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Silver-copper-zinc solders.

Spectral method for determination of lead,iron and bismuth content
( 1. 1.1. 2. *

( 3. ( 4. 5. 5.1. - j 5.2. ( 5.3. ( Amin — S N — (