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公开(公告)号：US3444501A
公开(公告)日：1969-05-13
申请号：US3444501D
申请日：1966-05-16
Applicant: IBM
Inventor： DELANEY RONALD A , WILLIAMS JESSE J JR
IPC: G01N27/12 , H01C17/065 , H01C7/04 , H01B1/02 , H01C17/00
CPC classification number: G01N27/121 , H01C17/06533 , Y10T29/49085 , Y10T29/49099
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公开(公告)号：CA824343A
公开(公告)日：1969-09-30
申请号：CA824343D
Applicant: IBM
Inventor： DELANEY RONALD A , WILLIAMS JESSE J JR
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