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公开(公告)号:US1531072A
公开(公告)日:1925-03-24
申请号:US73452724
申请日:1924-08-27
Applicant: JOSEPH CARDINAL
Inventor: JOSEPH CARDINAL
IPC: F16J13/04
CPC classification number: F16J13/04 , Y10S411/998
公开(公告)号:US1531072A
公开(公告)日:1925-03-24
申请号:US73452724
申请日:1924-08-27
Applicant: JOSEPH CARDINAL
Inventor: JOSEPH CARDINAL
IPC: F16J13/04
CPC classification number: F16J13/04 , Y10S411/998