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公开(公告)号:US1452753A
公开(公告)日:1923-04-24
申请号:US54242622
申请日:1922-03-09
Applicant: OTTO WILLIAM H , WILLIAM ULRICH
Inventor: OTTO WILLIAM H , WILLIAM ULRICH
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公开(公告)号:US716067A
公开(公告)日:1902-12-16
申请号:US1902105819
申请日:1902-05-03
Applicant: LEMON WILLIAM A , OTTO WILLIAM H
Inventor: LEMON WILLIAM A , OTTO WILLIAM H
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公开(公告)号:US2884847A
公开(公告)日:1959-05-05
申请号:US68127657
申请日:1957-08-30
Applicant: OTTO WILLIAM H
Inventor: OTTO WILLIAM H
IPC: F24F7/02
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公开(公告)号:US1182062A
公开(公告)日:1916-05-09
申请号:US1914877201
申请日:1914-12-14
Applicant: OTTO WILLIAM H VON
Inventor: OTTO WILLIAM H VON
CPC classification number: B60Q1/34
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