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发明名称
摘要
申请公布号
JPS5085101(A)
申请公布日期
1975.07.09
申请号
JP19730134591
申请日期
1973.11.29
申请人
发明人
分类号
E02D17/08;E04G1/00;E04G1/36;E21D7/00
主分类号
E02D17/08
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代理人
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