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公开(公告)号：US2561061A
公开(公告)日：1951-07-17
申请号：US79226847
申请日：1947-12-17
Applicant: WESTINGHOUSE ELECTRIC CORP
Inventor： LEUZARDER JOHN B , AAKJER JENS J , JOHN KNOCHEL WILLIAM
IPC: C03C27/04
CPC classification number: C03C27/046 , Y10T428/265
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