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公开(公告)号:US1534641A
公开(公告)日:1925-04-21
申请号:US56588222
申请日:1922-06-05
Applicant: THOMAS DAY COMPANY
Inventor: GODDARD WILFRED B
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公开(公告)号:US1588183A
公开(公告)日:1926-06-08
申请号:US46669121
申请日:1921-05-04
Applicant: THOMAS DAY COMPANY
Inventor: GODDARD WILFRED B
IPC: F21V23/06
CPC classification number: F21S8/033 , F21V23/06 , F21W2121/00
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公开(公告)号:US1512757A
公开(公告)日:1924-10-21
申请号:US46669221
申请日:1921-05-04
Applicant: THOMAS DAY COMPANY
Inventor: GODDARD WILFRED B
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公开(公告)号:US1481463A
公开(公告)日:1924-01-22
申请号:US46669421
申请日:1921-05-04
Applicant: THOMAS DAY COMPANY
Inventor: GODDARD WILFRED B
IPC: F21S4/00
CPC classification number: F21S6/001
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公开(公告)号:US1534640A
公开(公告)日:1925-04-21
申请号:US51744421
申请日:1921-11-25
Applicant: THOMAS DAY COMPANY
Inventor: GODDARD WILFRED B
IPC: F21S8/06 , F21V21/002
CPC classification number: F21S8/065 , F21V21/002
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