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公开(公告)号:US1263899A
公开(公告)日:1918-04-23
申请号:US15044917
申请日:1917-02-23
Applicant: DUTEE W FLINT , JOHANNESSEN JOHAN E , WAGE OSBORNE A
Inventor: JOHANNESSEN JOHAN E , WAGE OSBORNE A
CPC classification number: B63B1/04
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公开(公告)号:US1263898A
公开(公告)日:1918-04-23
申请号:US15044817
申请日:1917-02-23
Applicant: DUTEE W FLINT , JOHANNESSEN JOHAN E , WAGE OSBORNE A
Inventor: JOHANNESSEN JOHAN E , WAGE OSBORNE A
CPC classification number: B63G7/04
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