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公开(公告)号:US1521081A
公开(公告)日:1924-12-30
申请号:US68531324
申请日:1924-01-10
Applicant: DOOLING JOSEPH P
Inventor: DOOLING JOSEPH P
IPC: F16K15/20
CPC classification number: F16K15/20 , Y10T137/3786
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公开(公告)号:US1525803A
公开(公告)日:1925-02-10
申请号:US69998924
申请日:1924-03-18
Applicant: DOOLING JOSEPH P
Inventor: DOOLING JOSEPH P
IPC: B60C29/04
CPC classification number: B60C29/04 , Y10S152/07
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