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发明名称
摘要
申请公布号
JPS5735329(B2)
申请公布日期
1982.07.28
申请号
JP19760123964
申请日期
1976.10.18
申请人
发明人
分类号
E01C19/22;E01C23/00;E02F3/76;E02F3/84;E02F3/85
主分类号
E01C19/22
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