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公开(公告)号：US3611222A
公开(公告)日：1971-10-05
申请号：US3611222D
申请日：1970-06-08
Applicant: COMPTEURS COMP D
Inventor： SAUVIGNET HENRI JOSEPH , GOYON RENE AUGUSTE JOSEPH
CPC classification number: G01R5/04
Abstract: The device comprises a magnetic circuit formed by an annular permanent magnet secured between the peripheral rims of two cheek members of which one is divided into two equal parts, the frame of a mobile assembly being engaged on one of the rims and the device being provided with an adjustable magnetic shunt.
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