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发明名称
摘要
申请公布号
JPH0170840(U)
申请公布日期
1989.05.11
申请号
JP19870163694U
申请日期
1987.10.28
申请人
发明人
分类号
C03B33/04;(IPC1-7):C03B33/04
主分类号
C03B33/04
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代理人
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地址
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