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发明名称
MATIERES REFRACTAIRES A BASE DE BORATE OU DE BOROSILICATE D'ALUMINIUM
摘要
申请公布号
BE779967(A1)
申请公布日期
1972.08.29
申请号
BE19720779967
申请日期
1972.02.29
申请人
MINNESOTA MINING AND MANUFACTURING CY, 3M CENTER, SAINT PAUL, ETAT DU MINNESOTA (E.U.A.),
发明人
H.G. SOWMAN.
分类号
C04B35/622;(IPC1-7):C04B/
主分类号
C04B35/622
代理机构
代理人
主权项
地址
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