—   —  —  12.4.165-85 . .


12.4.165-85 . .

12.4.165-85 . .

. 20 1985 . N 2972
12.4.165-85
" . . "

Occupational safety standards system. Protective leather footwear. Determination of the coefficient of attachment strength decrease due to aggressive media action

1 1987 .

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01.09.2020 ., 12.4.165-2019 . . .
01.09.2020 ., 12.4.165-2019 . . .