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公开(公告)号：US3433896A
公开(公告)日：1969-03-18
申请号：US3433896D
申请日：1967-02-20
Applicant: MATSUSHITA ELECTRONICS CORP
Inventor： SAKAI YUJI , NAKAYAMA RYOICHI
CPC classification number: H04N3/18 , H04N3/1853
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