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公开(公告)号:US2139801A
公开(公告)日:1938-12-13
申请号:US7972336
申请日:1936-05-14
Applicant: BOYCE LEONARD D
Inventor: BOYCE LEONARD D
IPC: F01M13/02
CPC classification number: F01M13/023 , Y10T137/7749 , Y10T137/7752
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2.Window control device for automobiles and other traveling vehicles 失效
Title translation: 汽车和其他行车车窗控制装置公开(公告)号:US2030849A
公开(公告)日:1936-02-18
申请号:US70977934
申请日:1934-02-05
Applicant: BOYCE LEONARD D
Inventor: BOYCE LEONARD D
IPC: E05F11/38
CPC classification number: E05F11/382 , E05Y2900/55
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公开(公告)号:US2785662A
公开(公告)日:1957-03-19
申请号:US34718053
申请日:1953-04-06
Applicant: BOYCE LEONARD D
Inventor: BOYCE LEONARD D
CPC classification number: C10L1/14 , C10L1/1811 , C10L1/201 , C10L1/231
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公开(公告)号:US2426592A
公开(公告)日:1947-09-02
申请号:US62037645
申请日:1945-10-04
Applicant: BOYCE LEONARD D
Inventor: BOYCE LEONARD D
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公开(公告)号:US2045829A
公开(公告)日:1936-06-30
申请号:US52793431
申请日:1931-04-06
Applicant: BOYCE LEONARD D
Inventor: BOYCE LEONARD D
IPC: F02P5/00
CPC classification number: F02P5/005
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公开(公告)号:US2103348A
公开(公告)日:1937-12-28
申请号:US73955934
申请日:1934-08-13
Applicant: BOYCE LEONARD D
Inventor: BOYCE LEONARD D
IPC: F02P5/05
CPC classification number: F02P5/05
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