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公开(公告)号:US2995453A
公开(公告)日:1961-08-08
申请号:US66333357
申请日:1957-06-04
Applicant: ARMOUR RES FOUND
Inventor: NOBLE RICHARD D , BRADSTREET SAMUEL W , RECHTER HAROLD L
IPC: C04B33/13
CPC classification number: C04B33/1315 , C04B33/13
公开(公告)号:US2995453A
公开(公告)日:1961-08-08
申请号:US66333357
申请日:1957-06-04
Applicant: ARMOUR RES FOUND
Inventor: NOBLE RICHARD D , BRADSTREET SAMUEL W , RECHTER HAROLD L
IPC: C04B33/13
CPC classification number: C04B33/1315 , C04B33/13