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公开(公告)号:US1243525A
公开(公告)日:1917-10-16
申请号:US13462416
申请日:1916-12-02
Applicant: HOWARD THOMAS A
Inventor: HOWARD THOMAS A
CPC classification number: F03B11/08 , E02B1/006 , Y02E10/226
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公开(公告)号:US2199915A
公开(公告)日:1940-05-07
申请号:US25063839
申请日:1939-01-12
Applicant: HOWARD THOMAS A
Inventor: HOWARD THOMAS A
CPC classification number: A63H33/006 , A63G23/00 , A63G31/12
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公开(公告)号:US992563A
公开(公告)日:1911-05-16
申请号:US1910581741
申请日:1910-09-12
Applicant: HOWARD THOMAS A
Inventor: HOWARD THOMAS A
CPC classification number: F03B11/08 , E02B1/006 , Y02E10/226
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公开(公告)号:US655085A
公开(公告)日:1900-07-31
申请号:US1898685847
申请日:1898-07-13
Applicant: WILLIAM O DAVIS , HOWARD THOMAS A
Inventor: HOWARD THOMAS A
CPC classification number: A01K5/008
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