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公开(公告)号:US3352235A
公开(公告)日:1967-11-14
申请号:US46628265
申请日:1965-06-23
Applicant: JOSEPH SEAR
Inventor: JOSEPH SEAR
IPC: B41K3/56
CPC classification number: B41K3/56
公开(公告)号:US3352235A
公开(公告)日:1967-11-14
申请号:US46628265
申请日:1965-06-23
Applicant: JOSEPH SEAR
Inventor: JOSEPH SEAR
IPC: B41K3/56
CPC classification number: B41K3/56