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公开(公告)号:US2615161A
公开(公告)日:1952-10-28
申请号:US19085150
申请日:1950-10-18
Applicant: F P ROSBACK COMPANY
Inventor: HERMAN SCHMIDTKE ALBERT
IPC: B42B2/02
CPC classification number: B42B2/02
公开(公告)号:US2615161A
公开(公告)日:1952-10-28
申请号:US19085150
申请日:1950-10-18
Applicant: F P ROSBACK COMPANY
Inventor: HERMAN SCHMIDTKE ALBERT
IPC: B42B2/02
CPC classification number: B42B2/02