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发明名称
摘要
申请公布号
JPS563384(Y2)
申请公布日期
1981.01.26
申请号
JP19770067679U
申请日期
1977.05.27
申请人
发明人
分类号
E02B3/06;B63B59/02;E02B3/26;E02B15/04;E02B15/06;(IPC1-7):E02B15/04;E02B3/22
主分类号
E02B3/06
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代理人
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