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发明名称
摘要
申请公布号
JPH055963(B2)
申请公布日期
1993.01.25
申请号
JP19870190348
申请日期
1987.07.31
申请人
NIPPON KIKAI KOGYO
发明人
KODAMA KIMYOSHI
分类号
E01F7/02
主分类号
E01F7/02
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