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发明名称
摘要
申请公布号
JPS632498(Y2)
申请公布日期
1988.01.22
申请号
JP19830142752U
申请日期
1983.09.14
申请人
发明人
分类号
E02B3/04;(IPC1-7):E02B3/04
主分类号
E02B3/04
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代理人
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