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公开(公告)号:US3232453A
公开(公告)日:1966-02-01
申请号:US42054664
申请日:1964-12-23
Applicant: ILLINOIS TOOL WORKS
Inventor: FRANK RUKAVINA
IPC: B29C57/12
CPC classification number: B29C57/125
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公开(公告)号:US3192565A
公开(公告)日:1965-07-06
申请号:US21807562
申请日:1962-08-20
Applicant: ILLINOIS TOOL WORKS
Inventor: FRANK RUKAVINA
CPC classification number: B29C57/125 , B31F1/0087