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公开(公告)号:US1132139A
公开(公告)日:1915-03-16
申请号:US1912701500
申请日:1912-06-04
Applicant: RUMELY COMPANY M
Inventor: WHITWORTH CHARLES S
CPC classification number: A01B69/008
公开(公告)号:US1132139A
公开(公告)日:1915-03-16
申请号:US1912701500
申请日:1912-06-04
Applicant: RUMELY COMPANY M
Inventor: WHITWORTH CHARLES S
CPC classification number: A01B69/008