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公开(公告)号:USRE24879E
公开(公告)日:1960-09-27
申请号:US75583758
申请日:1958-08-13
Applicant: WINSTON CALDWELL
Inventor: WINSTON CALDWELL
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公开(公告)号:US2759112A
公开(公告)日:1956-08-14
申请号:US37588153
申请日:1953-08-24
Applicant: WINSTON CALDWELL
Inventor: WINSTON CALDWELL
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公开(公告)号:US2084940A
公开(公告)日:1937-06-22
申请号:US9023036
申请日:1936-07-11
Applicant: WINSTON CALDWELL
Inventor: WINSTON CALDWELL
CPC classification number: F01P11/0295
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