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公开(公告)号：US1579707A
公开(公告)日：1926-04-06
申请号：US73533724
申请日：1924-09-02
Applicant: WILLIAM HOOD
Inventor： WILLIAM HOOD
IPC: B68G3/10
CPC classification number: B68G3/10
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公开(公告)号：US1777769A
公开(公告)日：1930-10-07
申请号：US38455129
申请日：1929-08-09
Applicant: RUTHERFORD ROY F , WILLIAM HOOD
Inventor： RUTHERFORD ROY F , WILLIAM HOOD
IPC: A47C31/02
CPC classification number: A47C31/026 , Y10T24/3681 , Y10T24/3745
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公开(公告)号：US1743487A
公开(公告)日：1930-01-14
申请号：US28796828
申请日：1928-06-25
Applicant: RUTHERFORD ROY F , WILLIAM HOOD
Inventor： RUTHERFORD ROY F , WILLIAM HOOD
IPC: A47C31/02
CPC classification number: A47C31/026 , Y10T24/3645 , Y10T24/3681 , Y10T24/3745
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