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公开(公告)号:US2344032A
公开(公告)日:1944-03-14
申请号:US42048141
申请日:1941-11-26
Applicant: IMP BRASS MFG CO
Inventor: EDEN HAROLD W
IPC: F16L19/10
CPC classification number: F16L19/10
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公开(公告)号:US2256019A
公开(公告)日:1941-09-16
申请号:US33781540
申请日:1940-05-29
Applicant: IMP BRASS MFG CO
Inventor: EDEN HAROLD W
IPC: G01N9/14
CPC classification number: G01N9/14
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