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公开(公告)号:US2200865A
公开(公告)日:1940-05-14
申请号:US22842438
申请日:1938-09-03
Applicant: LEAVELLE AB
Inventor: STANNARD BENJAMIN F
IPC: E05F3/20
CPC classification number: E05F3/20 , Y10T16/2771
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公开(公告)号:US2164358A
公开(公告)日:1939-07-04
申请号:US12175237
申请日:1937-01-22
Applicant: LEAVELLE AB
Inventor: STANNARD BENJAMIN F
IPC: E05F3/20
CPC classification number: E05F3/20 , Y10T16/2771
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公开(公告)号:US2118950A
公开(公告)日:1938-05-31
申请号:US8081336
申请日:1936-05-20
Applicant: LEAVELLE AB
Inventor: STANNARD BENJAMIN F
IPC: E05F3/20
CPC classification number: E05F3/20 , E05Y2201/638 , E05Y2201/696 , E05Y2900/132 , Y10T16/2771 , Y10T16/5355
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