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公开(公告)号:US1657834A
公开(公告)日:1928-01-31
申请号:US70573724
申请日:1924-04-11
Applicant: LOUIS MASTRANGEL
Inventor: LOUIS MASTRANGEL
IPC: F16F7/06
CPC classification number: F16F7/06
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公开(公告)号:US1946224A
公开(公告)日:1934-02-06
申请号:US28682128
申请日:1928-06-20
Applicant: LOUIS MASTRANGEL
Inventor: LOUIS MASTRANGEL
IPC: G01L17/00
CPC classification number: G01L17/00
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公开(公告)号:US1499179A
公开(公告)日:1924-06-24
申请号:US63762823
申请日:1923-05-09
Applicant: LOUIS MASTRANGEL
Inventor: LOUIS MASTRANGEL
IPC: F16F7/02
CPC classification number: F16F7/02
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