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公开(公告)号：US3433629A
公开(公告)日：1969-03-18
申请号：US3433629D
申请日：1965-09-09
Applicant: TOMOJI MURATA
Inventor： IMAI KAZUTAMI , TANO TATSUO , NORO HIROO
CPC classification number: C22B47/00 , C01G45/10 , C12P3/00 , C22B3/18 , Y02P10/234 , Y10S423/17
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