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发明名称
摘要
申请公布号
JPH0215686(B2)
申请公布日期
1990.04.12
申请号
JP19840082579
申请日期
1984.04.23
申请人
EHO KK
发明人
TSUBAKIMORI SHINICHI
分类号
E01C23/09;E01C23/12
主分类号
E01C23/09
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