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经营范围
发明名称
PROCEDIMIENTO PARA LA FABRICACION DE UN CUERPO POROSO RE- FRACTARIO.
摘要
申请公布号
ES463845(A2)
申请公布日期
1978.07.16
申请号
ES19450004638
申请日期
1977.11.04
申请人
NORTON COMPANY
发明人
分类号
C04B38/00;B22D1/00;C04B35/591;C04B35/63;C22B21/06;(IPC1-7):04B/
主分类号
C04B38/00
代理机构
代理人
主权项
地址
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