Aerospace series . textiles for parachutes . determination of the air permeability of wing fabrics 航空航天系列.降落伞用织物.翼状织物透气性的测定
Test method for properties of investment casting shell - part 4 : determination of permeability to gas 熔模铸造型壳性能试验方法第4部分:透气性的测定
Determination of gas porosity and gas permeability of hydraulic binders containing embedded radioactive waste 含有包埋放射废物的液压粘合剂气孔和透气性的测定
En 993 - 4 methods of test for dense shaped refractory products . part 4 : determination of permeability to gases 致密异型耐火制品的试验方法.第4部分:透气性的测定
Testing of paper and board - determination of air permeability - part 1 : medium rate of air permeability according to bendtsen 纸张和纸板的试验.透气性的测定.第1部分:用bendtsen
Testing of paper and board ; determination of air permeability ; method for medium rates of air permeability according to schopper 纸和纸板的检验.透气性的测定.按照schopper测定透气
Materials used as cigarette papers , filter plug wrap and filter joining paper , including materials having an oriented permeable zone . determination of air permeability 作卷烟纸用的材料,过滤纸和过滤嘴接缝纸材料,包括定向可透气部分用的材料.透气性的测定
