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公开(公告)号:US3036828A
公开(公告)日:1962-05-29
申请号:US77365858
申请日:1958-11-13
Applicant: FLEET ROBERT K VAN
Inventor: FLEET ROBERT K VAN
IPC: D06F45/00
CPC classification number: D06F45/00
公开(公告)号:US3036828A
公开(公告)日:1962-05-29
申请号:US77365858
申请日:1958-11-13
Applicant: FLEET ROBERT K VAN
Inventor: FLEET ROBERT K VAN
IPC: D06F45/00
CPC classification number: D06F45/00