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41.发明授权Devices for maintaining between two predetermined values the pressure in hydraulic circuits 失效用于在两个预定值之间保持液压回路中的压力的装置
公开(公告)号：US3149639A
公开(公告)日：1964-09-22
申请号：US17115362
申请日：1962-02-05
Applicant: CITROEN SA ANDRE
Inventor： EDMOND HENRY-BIABAUD
CPC classification number: F15B1/027 , G05D16/10 , Y10T137/2625
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公开(公告)号：US2972027A
公开(公告)日：1961-02-14
申请号：US80670759
申请日：1959-04-15
Applicant: CITROEN SA ANDRE
Inventor： EDMOND HENRY-BIABAUD
IPC: B60T8/74 , G01P15/135 , H01H35/06 , H01H35/10 , H01H35/14
CPC classification number: H01H35/10 , B60T8/74 , G01P15/135 , H01H35/06 , H01H35/14
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