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公开(公告)号：DE1191615B
公开(公告)日：1965-04-22
申请号：DEI0014142
申请日：1957-12-20
Applicant: IBM DEUTSCHLAND
Inventor： EDMINSTER ROBERT EDWARD , FURR ROBERT JAMES , WEIDENHAMMER JAMES AMOS , FRITZ ELLIOT LIVINSTON , VALEHRACH EMIL MIROSLAV
IPC: B07C3/06
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