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公开(公告)号:US2598933A
公开(公告)日:1952-06-03
申请号:US5719748
申请日:1948-10-29
Applicant: NEVIN EDWARD J
Inventor: NEVIN EDWARD J
IPC: B27G13/04
CPC classification number: B27G13/04
公开(公告)号:US2598933A
公开(公告)日:1952-06-03
申请号:US5719748
申请日:1948-10-29
Applicant: NEVIN EDWARD J
Inventor: NEVIN EDWARD J
IPC: B27G13/04
CPC classification number: B27G13/04