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公开(公告)号：US3505092A
公开(公告)日：1970-04-07
申请号：US3505092D
申请日：1968-06-14
Applicant: LIBBEY OWENS FORD CO
Inventor： RYAN JOSEPH DENNIS , SMALL EDWARD A JR
CPC classification number: C03C17/3605 , C03C17/3417 , C03C17/36 , C03C17/3649 , C03C17/3657 , C03C17/3681 , Y10T428/265
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