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公开(公告)号：US2226837A
公开(公告)日：1940-12-31
申请号：US32122940
申请日：1940-02-28
Applicant: EATON PAPER CORP
Inventor： SOJKA GEORGE E
IPC: B42F7/06
CPC classification number: B42F7/06 , B42P2201/08
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公开(公告)号：US2373060A
公开(公告)日：1945-04-03
申请号：US44901542
申请日：1942-06-29
Applicant: EATON PAPER CORP
Inventor： SOJKA GEORGE E
IPC: B41J3/38
CPC classification number: B41J3/38
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