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公开(公告)号:US1230575A
公开(公告)日:1917-06-19
申请号:US8585816
申请日:1916-03-22
Applicant: GIBBS MFG COMPANY
Inventor: GIBBS ALVIN J
CPC classification number: A63H7/04
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公开(公告)号:US1230574A
公开(公告)日:1917-06-19
申请号:US8585716
申请日:1916-03-22
Applicant: GIBBS MFG COMPANY
Inventor: GIBBS ALVIN J
CPC classification number: A63H7/04
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