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发明名称
摘要
申请公布号
JPS5935493(Y2)
申请公布日期
1984.10.01
申请号
JP19790067983U
申请日期
1979.05.21
申请人
发明人
分类号
E01B25/10;B66B7/02;(IPC1-7):B66B7/02;E04B1/40
主分类号
E01B25/10
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代理人
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