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发明名称
摘要
申请公布号
JPS55155846(U)
申请公布日期
1980.11.10
申请号
JP19790053036U
申请日期
1979.04.19
申请人
发明人
分类号
C04B41/80;C04B41/00;(IPC1-7):C04B41/00
主分类号
C04B41/80
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