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发明名称
摘要
申请公布号
JPS6342041(B2)
申请公布日期
1988.08.19
申请号
JP19810044466
申请日期
1981.03.26
申请人
NIPPON HODO
发明人
KIKEGAWA SHINKO;AMAUCHI YOSHIICHI
分类号
E01C19/10
主分类号
E01C19/10
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