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发明名称
摘要
申请公布号
JPH0617563(B2)
申请公布日期
1994.03.09
申请号
JP19830239511
申请日期
1983.12.19
申请人
HITACHI CHEMICAL CO LTD
发明人
FUJITANI AKIFUMI;SUZUKI YOSHIHIRO;TANUMA TSUNEO
分类号
E01F9/08;E01C11/24;E01C23/16;E01C23/18;E01C23/20;E01C23/24
主分类号
E01F9/08
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