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公开(公告)号:US976732A
公开(公告)日:1910-11-22
申请号:US1910565674
申请日:1910-06-08
Applicant: GHERASSIMOFF NICOLAS
Inventor: GHERASSIMOFF NICOLAS
CPC classification number: F42B10/30
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2.
公开(公告)号:US1018312A
公开(公告)日:1912-02-20
申请号:US1911649347
申请日:1911-09-14
Applicant: GHERASSIMOFF NICOLAS
Inventor: GHERASSIMOFF NICOLAS
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公开(公告)号:US693855A
公开(公告)日:1902-02-25
申请号:US1899721253
申请日:1899-06-20
Applicant: GHERASSIMOFF NICOLAS
Inventor: GHERASSIMOFF NICOLAS
CPC classification number: B63B2201/26
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公开(公告)号:US677656A
公开(公告)日:1901-07-02
申请号:US1900018285
申请日:1900-05-28
Applicant: GHERASSIMOFF NICOLAS
Inventor: GHERASSIMOFF NICOLAS
CPC classification number: E02B7/44
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