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公开(公告)号：US2740474A
公开(公告)日：1956-04-03
申请号：US33071153
申请日：1953-01-12
Applicant: AMERICAN MFG COMPANY INC
Inventor： HARRISON EDWIN T
IPC: B65H19/30
CPC classification number: B65H19/30 , B65H2301/4172 , B65H2301/4173 , Y10T83/0448 , Y10T83/2198 , Y10T83/22 , Y10T225/10 , Y10T225/30
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