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公开(公告)号:US1776777A
公开(公告)日:1930-09-30
申请号:US41380129
申请日:1929-12-13
Applicant: BRAGSTAD JOSEPH W
Inventor: BRAGSTAD JOSEPH W
IPC: F23L1/00
CPC classification number: F23L1/00
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公开(公告)号:US1107486A
公开(公告)日:1914-08-18
申请号:US1913796476
申请日:1913-10-21
Applicant: BRAGSTAD JOSEPH W
Inventor: BRAGSTAD JOSEPH W
CPC classification number: E04B2002/867
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公开(公告)号:US951723A
公开(公告)日:1910-03-08
申请号:US1908464810
申请日:1908-11-28
Applicant: BRAGSTAD JOSEPH W
Inventor: BRAGSTAD JOSEPH W
CPC classification number: B29C45/33
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公开(公告)号:US1776805A
公开(公告)日:1930-09-30
申请号:US35578929
申请日:1929-04-17
Applicant: BRAGSTAD JOSEPH W
Inventor: BRAGSTAD JOSEPH W
IPC: F23L1/00
CPC classification number: F23L1/00
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公开(公告)号:US1448330A
公开(公告)日:1923-03-13
申请号:US38006220
申请日:1920-05-10
Applicant: BRAGSTAD JOSEPH W
Inventor: BRAGSTAD JOSEPH W
IPC: E04G9/08
CPC classification number: E04G9/08
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公开(公告)号:US824062A
公开(公告)日:1906-06-19
申请号:US1905275248
申请日:1905-08-22
Applicant: BRAGSTAD JOSEPH W
Inventor: BRAGSTAD JOSEPH W
CPC classification number: F16D43/26 , Y10T74/1524
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