—   —  —  12.4.156-75 . . -


12.4.156-75 . . -

12.4.156-75 . . -

. 11 1975 . N 1211
12.4.156-75
" . . - "

Occupational safety standards system. Industrial filtering gas masks and respirators. Nephelometric method for determination of all-service canisters penetration coefficient of oil mist

1 1976 .

10189-62 . 1

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1.

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30 22.

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2.

2.1. :

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(150, 3) 3/ - ;

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0, 28 0, 34 ;

15 25;

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2.3. 5 17, .

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2.4. 21 , , , 17.

( , . N 1).

2.5. 8 " " 5 7 , .

2.6. 11 13 , 12.

2.7. 8 " " 9 7 , , .

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2.8. 10 . 8 " ". 5 7 12 , .

2.9. 8 " ".

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3.

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3.2. 8 12.

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4.

4.1. ()

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4.2. 50%.

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5.

5.1. 12.1.004.

5.2. 12.1.019.

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