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发明名称
摘要
申请公布号
JPS6215315(Y2)
申请公布日期
1987.04.18
申请号
JP19810190801U
申请日期
1981.12.18
申请人
发明人
分类号
E02D7/16;(IPC1-7):E02D7/16
主分类号
E02D7/16
代理机构
代理人
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地址
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