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公开(公告)号：JPS59166887A
公开(公告)日：1984-09-20
申请号：JP491484
申请日：1984-01-17
Applicant: Philips Nv
Inventor： DEBITSUTO BAAKUREI , PIITAA HAMIRUTORU BAAGESU
CPC classification number: G21K1/10
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