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公开(公告)号:US1097815A
公开(公告)日:1914-05-26
申请号:US1912729070
申请日:1912-11-01
Applicant: WILLIAM A MCATEE , MCATEE JOHN R
Inventor: MCATEE JOHN R
CPC classification number: B02B3/08
公开(公告)号:US1097815A
公开(公告)日:1914-05-26
申请号:US1912729070
申请日:1912-11-01
Applicant: WILLIAM A MCATEE , MCATEE JOHN R
Inventor: MCATEE JOHN R
CPC classification number: B02B3/08