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公开(公告)号:US2627342A
公开(公告)日:1953-02-03
申请号:US12220749
申请日:1949-10-19
Applicant: GLOBE WERNICKE CO
Inventor: FREDERICK THOMSON ERNEST
IPC: B42F7/14
CPC classification number: B42F7/14
公开(公告)号:US2627342A
公开(公告)日:1953-02-03
申请号:US12220749
申请日:1949-10-19
Applicant: GLOBE WERNICKE CO
Inventor: FREDERICK THOMSON ERNEST
IPC: B42F7/14
CPC classification number: B42F7/14