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1.发明授权
公开(公告)号：US3324340A
公开(公告)日：1967-06-06
申请号：US40120964
申请日：1964-10-02
Applicant: CSF
Inventor： JACQUES PINEL , JEAN-PAUL MANGIN
IPC: H05H9/02
CPC classification number: H05H9/02
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