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发明名称
Apparatus for determining the relative porosity of various porous materials
摘要
申请公布号
US2355858(A)
申请公布日期
1944.08.15
申请号
US19410415416
申请日期
1941.10.17
申请人
THE B. F. GOODRICH COMPANY
发明人
HAHN STUART H.;JUDSON ROBERT H.
分类号
G01N15/08
主分类号
G01N15/08
代理机构
代理人
主权项
地址
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