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发明名称
POROUS INORGANIC MATERIAL
摘要
申请公布号
GB8728877(D0)
申请公布日期
1988.01.27
申请号
GB19870028877
申请日期
1987.12.10
申请人
ECC INTERNATIONAL LTD
发明人
分类号
C04B38/04
主分类号
C04B38/04
代理机构
代理人
主权项
地址
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