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公开(公告)号:US3108013A
公开(公告)日:1963-10-22
申请号:US528860
申请日:1960-01-28
Applicant: PFAUDLER PERMUTIT INC
Inventor: JEN CHAO PAO , CHU GORDON P K
IPC: C23C10/52
CPC classification number: C23C10/52 , Y10S428/938 , Y10T428/12854 , Y10T428/12861
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2.
公开(公告)号:US3117846A
公开(公告)日:1964-01-14
申请号:US524060
申请日:1960-01-28
Applicant: PFAUDLER PERMUTIT INC
Inventor: JEN CHAO PAO
CPC classification number: C23C10/16 , C23C10/58 , Y10S428/938 , Y10T428/12833
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