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公开(公告)号:US2946389A
公开(公告)日:1960-07-26
申请号:US69601357
申请日:1957-11-08
Applicant: SPECIALTIES DEV CORP
Inventor: BARNES CHARLES H
IPC: A62C13/00
CPC classification number: A62C13/003
公开(公告)号:US2946389A
公开(公告)日:1960-07-26
申请号:US69601357
申请日:1957-11-08
Applicant: SPECIALTIES DEV CORP
Inventor: BARNES CHARLES H
IPC: A62C13/00
CPC classification number: A62C13/003