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公开(公告)号：ZA8507466B
公开(公告)日：1986-05-28
申请号：ZA8507466
申请日：1985-09-27
Applicant: STC PLC
Inventor： NEWBOULD RICHARD THOMAS , PIGGS SUSAN JANE , WILSON STEPHEN JOHN
IPC: C03B37/10 , C03B37/014 , C03B37/029 , C03C25/22 , G02B6/00 , G02B6/44 , G02B
CPC classification number: C03C25/22 , C03B37/029 , C03B2201/24 , C03B2201/58 , Y10S65/90
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