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发明名称
摘要
申请公布号
JPS544331(Y2)
申请公布日期
1979.02.26
申请号
JP19750045956U
申请日期
1975.04.07
申请人
发明人
分类号
E01F8/00;E01B19/00;E01C1/00;E04B1/82;E04B1/86;E04C1/00;E04H17/14;E04H17/16;G10K11/02;G10K11/16;(IPC1-7):E04B1/82
主分类号
E01F8/00
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代理人
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