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AS 1774.7-1991被替代
Refractories and refractory materials - Physical test methods Determination of permeability to gases
出版：Standards Australia
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基本信息
標(biāo)準(zhǔn)編號： AS 1774.7-1991
發(fā)布時間：1991/4/15 0:00:00
標(biāo)準(zhǔn)類別：Standard
出版單位：Standards Australia
標(biāo)準(zhǔn)頁數(shù)：6
標(biāo)準(zhǔn)簡介
Sets out a method for determining the permeability to gases of dense, shaped refractory products having a permeability not greater than 20 x 10(sup)-12m(sup)2.
