WJ 1969-1990
Hygienic standard for sodium azide in the air of workshop (English Version)

Standard No.

WJ 1969-1990

Language

Chinese, Available in English version

Release Date

1990

Published By

Professional Standard - Military and Civilian Products

Latest

WJ 1969-1990

WJ 1969-1990 history

• 1990 WJ 1969-1990 Hygienic standard for sodium azide in the air of workshop