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发明名称
Apparatus for testing the gas permeability of molded specimens
摘要
申请公布号
US2371508(A)
申请公布日期
1945.03.13
申请号
US19430514139
申请日期
1943.12.13
申请人
DIETERT HARRY W
发明人
DIETERT HARRY W.
分类号
B22C19/04;G01N15/08
主分类号
B22C19/04
代理机构
代理人
主权项
地址
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