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公开(公告)号:US1689818A
公开(公告)日:1928-10-30
申请号:US5787325
申请日:1925-09-22
Applicant: BURGESS DARGAVEL JAMES
Inventor: BURGESS DARGAVEL JAMES
IPC: G04B19/28
CPC classification number: G04B19/28 , Y10S116/23
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公开(公告)号:US1744365A
公开(公告)日:1930-01-21
申请号:US20144327
申请日:1927-06-25
Applicant: BURGESS DARGAVEL JAMES
Inventor: BURGESS DARGAVEL JAMES
IPC: A46B13/00
CPC classification number: A46B13/001
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公开(公告)号:US1676943A
公开(公告)日:1928-07-10
申请号:US6617325
申请日:1925-11-02
Applicant: BURGESS DARGAVEL JAMES
Inventor: BURGESS DARGAVEL JAMES
IPC: A24F25/02
CPC classification number: A24F25/02
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