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公开(公告)号：US3098803A
公开(公告)日：1963-07-23
申请号：US3828460
申请日：1960-06-23
Applicant: IBM
Inventor： GODYCKI LUDWIG E , STEVENS RONALD G , IGNATIUS TSU
CPC classification number: C23C18/50 , C23C18/36 , C25D5/54 , H01F41/24 , Y10S205/917 , Y10S428/90
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