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公开(公告)号:US1580017A
公开(公告)日:1926-04-06
申请号:US72237524
申请日:1924-06-25
Applicant: JOSEPH K BRAY
Inventor: CONNOR GEORGE W
IPC: D06F1/08
CPC classification number: D06F1/08
公开(公告)号:US1580017A
公开(公告)日:1926-04-06
申请号:US72237524
申请日:1924-06-25
Applicant: JOSEPH K BRAY
Inventor: CONNOR GEORGE W
IPC: D06F1/08
CPC classification number: D06F1/08