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公开(公告)号：US3274665A
公开(公告)日：1966-09-27
申请号：US40193564
申请日：1964-10-06
Applicant: IBM
Inventor： HIGGINSON AUSTIN H , ROSHON CLYDE C
CPC classification number: G03D15/10 , B26D7/1854 , B26F1/14 , B29C65/58 , B29C65/7847 , B29C66/81423 , B29C69/005 , Y10T29/49833 , Y10T29/49876 , Y10T29/51 , Y10T29/5142
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