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公开(公告)号：US1769596A
公开(公告)日：1930-07-01
申请号：US33344729
申请日：1929-01-18
Applicant: NEIDICH PROCESS COMPANY
Inventor： GARWOOD NEIDICH GEORGE
IPC: B42F7/14
CPC classification number: B42F7/14
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公开(公告)号：US1769595A
公开(公告)日：1930-07-01
申请号：US24777928
申请日：1928-01-19
Applicant: NEIDICH PROCESS COMPANY
Inventor： GARWOOD NEIDICH GEORGE
IPC: B42F7/14
CPC classification number: B42F7/14
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