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摘要
申请公布号
JPS6219747(Y2)
申请公布日期
1987.05.20
申请号
JP19820180935U
申请日期
1982.11.30
申请人
发明人
分类号
E03F1/00;(IPC1-7):E03F1/00
主分类号
E03F1/00
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