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公开(公告)号：US3425166A
公开(公告)日：1969-02-04
申请号：US3425166D
申请日：1966-09-28
Applicant: CORNING GLASS WORKS
Inventor： BEST HOWARD S , BOWSER ROBERT EMERY
IPC: B24C3/32 , H01C17/245 , B24C5/00
CPC classification number: H01C17/245 , B24C3/322
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