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公开(公告)号:US2361941A
公开(公告)日:1944-11-07
申请号:US46237842
申请日:1942-10-17
Applicant: BECKWITH MFG CO
Inventor: HARRISON RAYMOND B
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公开(公告)号:US2616821A
公开(公告)日:1952-11-04
申请号:US75600247
申请日:1947-06-20
Applicant: BECKWITH MFG CO
Inventor: HARRISON RAYMOND B
IPC: D06M17/00
CPC classification number: D06M17/00 , A43B3/0084 , Y10T428/2395 , Y10T428/23979 , Y10T428/23986
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公开(公告)号:US2249760A
公开(公告)日:1941-07-22
申请号:US24923439
申请日:1939-01-04
Applicant: BECKWITH MFG CO
Inventor: HARRISON RAYMOND B , ALLEY LYMAN E
IPC: A43D11/14
CPC classification number: A43D11/14
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公开(公告)号:US2541761A
公开(公告)日:1951-02-13
申请号:US64660446
申请日:1946-02-09
Applicant: BECKWITH MFG CO
Inventor: HARRISON RAYMOND B
CPC classification number: B32B27/00 , A43B23/086 , A43D31/02 , B29C65/4815 , B29C65/7894 , B29C66/1122 , B29C66/45 , B29C66/83413 , Y10T428/24942
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公开(公告)号:US2412385A
公开(公告)日:1946-12-10
申请号:US57803845
申请日:1945-02-15
Applicant: BECKWITH MFG CO
Inventor: BECKWITH EDWIN L , HARRISON RAYMOND B
IPC: A43B13/28
CPC classification number: A43B13/28
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