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公开(公告)号：US1594402A
公开(公告)日：1926-08-03
申请号：US7952226
申请日：1926-01-06
Applicant: AMERICAN REFRACTORIES INST
Inventor： BOOZE MACDONALD C
IPC: C04B33/02
CPC classification number: C04B33/025 , C04B33/02 , Y10T428/249921
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