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公开(公告)号:US690359A
公开(公告)日:1901-12-31
申请号:US1901069835
申请日:1901-07-26
Applicant: BURT ANDREW B
Inventor: BURT ANDREW B
CPC classification number: E21B10/32
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公开(公告)号:US1202157A
公开(公告)日:1916-10-24
申请号:US8536016
申请日:1916-03-20
Applicant: BURT ANDREW B
Inventor: BURT ANDREW B
CPC classification number: B60G11/27
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公开(公告)号:US806319A
公开(公告)日:1905-12-05
申请号:US1905263782
申请日:1905-06-05
Applicant: BURT ANDREW B , VANATTA FRANK T
Inventor: BURT ANDREW B , VANATTA FRANK T
CPC classification number: B61L1/04
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公开(公告)号:US1588937A
公开(公告)日:1926-06-15
申请号:US49328621
申请日:1921-08-18
Applicant: BURT ANDREW B
Inventor: BURT ANDREW B
IPC: B60R25/02
CPC classification number: B60R25/0222 , Y10T70/581
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公开(公告)号:US1170957A
公开(公告)日:1916-02-08
申请号:US1914871275
申请日:1914-11-10
Applicant: BURT ANDREW B
Inventor: BURT ANDREW B
CPC classification number: B60C19/00 , Y10T152/10639
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