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公开(公告)号:US1575168A
公开(公告)日:1926-03-02
申请号:US74353524
申请日:1924-10-14
Applicant: THOMAS DAY COMPANY
Inventor: PHILIP KESTELL
IPC: F21S8/06
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公开(公告)号:US1668772A
公开(公告)日:1928-05-08
申请号:US74353424
申请日:1924-10-14
Applicant: THOMAS DAY COMPANY
Inventor: PHILIP KESTELL
IPC: F21S8/06
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公开(公告)号:US1572728A
公开(公告)日:1926-02-09
申请号:US600825
申请日:1925-01-31
Applicant: THOMAS DAY COMPANY
Inventor: PHILIP KESTELL
IPC: F21S8/06
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