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公开(公告)号:US1741758A
公开(公告)日:1929-12-31
申请号:US29377928
申请日:1928-06-18
Applicant: AMERICAN MULTIGRAPH CO
Inventor: VALENTIN DIETZ
IPC: B41M1/08
CPC classification number: B41M1/08
公开(公告)号:US1741758A
公开(公告)日:1929-12-31
申请号:US29377928
申请日:1928-06-18
Applicant: AMERICAN MULTIGRAPH CO
Inventor: VALENTIN DIETZ
IPC: B41M1/08
CPC classification number: B41M1/08