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发明名称
摘要
申请公布号
JPH01149439(U)
申请公布日期
1989.10.17
申请号
JP19880047944U
申请日期
1988.04.08
申请人
发明人
分类号
C04B41/86;(IPC1-7):C04B41/86
主分类号
C04B41/86
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代理人
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