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公开(公告)号:US2307353A
公开(公告)日:1943-01-05
申请号:US36996340
申请日:1940-12-13
Applicant: WAGNER MFG COMPANY
Inventor: BOND CLINTON H
IPC: B66B13/12
CPC classification number: B66B13/12
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公开(公告)号:US2261217A
公开(公告)日:1941-11-04
申请号:US30068039
申请日:1939-10-21
Applicant: WAGNER MFG COMPANY
Inventor: BOND CLINTON H
IPC: E06C1/16
CPC classification number: E06C1/16
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