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发明名称
摘要
申请公布号
JPH07108802(B2)
申请公布日期
1995.11.22
申请号
JP19900106732
申请日期
1990.04.23
申请人
发明人
分类号
C04B32/02;C04B16/02;C04B28/18;(IPC1-7):C04B32/02
主分类号
C04B32/02
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