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公开(公告)号：US3532914A
公开(公告)日：1970-10-06
申请号：US3532914D
申请日：1968-06-17
Applicant: MATTEL INC
Inventor： CHANG RICHARD SHIH-TENG , LANDSINGER EDMUND E , RYAN JOHN W
CPC classification number: H02K11/23
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