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公开(公告)号：US3368920A
公开(公告)日：1968-02-13
申请号：US35660364
申请日：1964-04-01
Applicant: GEN TELEPHONE & ELECT
Inventor： HAGENLOCHER ARNO K
CPC classification number: C23C14/0021 , C01G23/006 , C01P2002/34
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公开(公告)号：US3353048A
公开(公告)日：1967-11-14
申请号：US41303464
申请日：1964-11-23
Applicant: GEN TELEPHONE & ELECT
Inventor： HAGENLOCHER ARNO K , POLANYI THOMAS G
IPC: H01J41/04
CPC classification number: H01J41/04
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