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公开(公告)号:US1661091A
公开(公告)日:1928-02-28
申请号:US71921024
申请日:1924-06-10
Applicant: DMITRI RIABOUCHINSKI
Inventor: DMITRI RIABOUCHINSKI
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公开(公告)号:US1440175A
公开(公告)日:1922-12-26
申请号:US58964822
申请日:1922-09-21
Applicant: DMITRI RIABOUCHINSKI
Inventor: DMITRI RIABOUCHINSKI
IPC: F42B3/04
CPC classification number: F42B3/04
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