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发明名称
Leakage testing method
摘要
申请公布号
US2633740(A)
申请公布日期
1953.04.07
申请号
US19450590426
申请日期
1945.04.26
申请人
HOWE JOHN P;GRENINGER ALDEN B;PLOTT ROBERT F
发明人
HOWE JOHN P.;GRENINGER ALDEN B.;PLOTT ROBERT F.
分类号
G01M3/04
主分类号
G01M3/04
代理机构
代理人
主权项
地址
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