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公开(公告)号:US2423139A
公开(公告)日:1947-07-01
申请号:US55221344
申请日:1944-08-31
Applicant: E F LOUGEE , RALPH HEMPHILL
Inventor: JOHN DELMONTE
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公开(公告)号:US2462054A
公开(公告)日:1949-02-15
申请号:US54304444
申请日:1944-06-30
Applicant: RALPH HEMPHILL
Inventor: JOHN DELMONTE
IPC: C08G8/00
CPC classification number: C08G65/36
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