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公开(公告)号：US2839178A
公开(公告)日：1958-06-17
申请号：US60031156
申请日：1956-07-26
Applicant: PFAFF AG G M
Inventor： HERBERT MAROHN , HEINRICH ECKHARD , THEOBALD IMMESBERGER
IPC: B65G37/00
CPC classification number: B65G37/00 , B65G2812/013
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