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公开(公告)号：US3062685A
公开(公告)日：1962-11-06
申请号：US43662554
申请日：1954-06-14
Applicant: PFAUDLER PERMUTIT INC
Inventor： SANFORD ELBERT A , JEN SU GOUQ
CPC classification number: C03C3/089 , B01J19/0066 , B01J19/0073 , B01J19/02 , B01J2219/0209 , C23D5/00 , Y10S220/917 , Y10T428/263
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