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公开(公告)号：US3420977A
公开(公告)日：1969-01-07
申请号：US3420977D
申请日：1965-06-18
Applicant: AIR REDUCTION
Inventor： HANKS CHARLES W , MERRILL JACK D , PETERSON HAROLD A
IPC: H01J37/305 , B23K9/08 , H05B7/18
CPC classification number: H01J37/305
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2.发明授权
公开(公告)号：US3504094A
公开(公告)日：1970-03-31
申请号：US3504094D
申请日：1966-10-31
Applicant: AIR REDUCTION
Inventor： HUNT CHARLES D A , PETERSON HAROLD A
CPC classification number: C23C14/30
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