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发明名称
摘要
申请公布号
JPS567003(B2)
申请公布日期
1981.02.16
申请号
JP19770127645
申请日期
1977.10.26
申请人
发明人
分类号
E01C23/16;B05B5/00;E01C23/20;E01C23/22;E01C23/24
主分类号
E01C23/16
代理机构
代理人
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