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发明名称
摘要
申请公布号
JPS6223867(Y2)
申请公布日期
1987.06.18
申请号
JP19820176321U
申请日期
1982.11.20
申请人
发明人
分类号
E02D17/20;E04G9/02;E04G9/08;E04G17/02;E04G17/06;E04G17/075;E04G17/14;E04G21/12;(IPC1-7):E02D17/20
主分类号
E02D17/20
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