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发明名称
摘要
申请公布号
JPH0477653(U)
申请公布日期
1992.07.07
申请号
JP19900120352U
申请日期
1990.11.19
申请人
发明人
分类号
E03B3/10;E03B3/36;(IPC1-7):E03B3/36
主分类号
E03B3/10
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代理人
主权项
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