Permeable sintered metal materials . determination of fluid permeability 渗透性烧结金属材料.液体渗透性的测定
Permeable sintered metal materials - determination of fluid permeability iso 4022 : 1987 ; german version en iso 4022 : 2006 可渗透性烧结金属材料.液体渗透性的测定
Powder metallurgical materials and products - methods of testing sintered metal materials and products , excluding hardmetals - determination of fluid permeability 粉末冶金材料和制品.第3部分:烧结金属材料和制品不包活硬质合金试验方法.第6节:液体渗透率测定