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公开(公告)号：US2865377A
公开(公告)日：1958-12-23
申请号：US58172556
申请日：1956-04-30
Applicant: LOOSE LEAF METALS COMPANY
Inventor： SCHROER WALTER E , TRYBINSKI JR VICTOR , WALLING IRVIN H
IPC: B42F13/26
CPC classification number: B42F13/26
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公开(公告)号：US2902039A
公开(公告)日：1959-09-01
申请号：US59800856
申请日：1956-07-16
Applicant: LOOSE LEAF METALS COMPANY
Inventor： SCHROER WALTER E , TRYBINSKI JR VICTOR , WALLING IRVIN H
IPC: B42F13/12
CPC classification number: B42F13/12
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