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公开(公告)号：US3241934A
公开(公告)日：1966-03-22
申请号：US9689361
申请日：1961-03-20
Applicant: AMERICAN OPTICAL CORP
Inventor： GRANITSAS GEORGE A , YANKOWSKAS GEORGE P , WOODCOCK RICHARD F
IPC: C03B37/026 , C03B37/15 , H01J31/06
CPC classification number: C03B37/026 , C03B37/15 , H01J31/065 , Y10T29/49812
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