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发明名称
摘要
申请公布号
JPS57110185(U)
申请公布日期
1982.07.07
申请号
JP19800189047U
申请日期
1980.12.26
申请人
发明人
分类号
E03F5/10;(IPC1-7):E03F5/10
主分类号
E03F5/10
代理机构
代理人
主权项
地址
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