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公开(公告)号:US2099636A
公开(公告)日:1937-11-16
申请号:US5353135
申请日:1935-12-09
Applicant: I A WEAVER ENGINEERING COMPANY
Inventor: WEAVER IRA A
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公开(公告)号:US2018160A
公开(公告)日:1935-10-22
申请号:US74831034
申请日:1934-10-15
Applicant: I A WEAVER ENGINEERING COMPANY
Inventor: WEAVER IRA A
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