GOST 31922-2012 Timber forpoles impregnated Specification《浸渍的木材杆 规格》.pdf

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2、- - , 2014 - , - 31922-2012 1 Timber forpoles impregnated. Specification 2014-07-01 1 , ( ) (- ). 0,4, 6 10 20 , . 2. : 12.1.005-88 . 12.1.007-76 . . - 12.3.034-84 . . 12.4.013-85 . . - 12.4.021-75 . . 12.4.028-76 . -1 . 12.4.068-79 . - . 12.4.072-79 . , , . 12.4.103-83 . , . 12.4.121-83 . . 61-75 .

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