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发明名称
摘要
申请公布号
JPS6239169(Y2)
申请公布日期
1987.10.06
申请号
JP19830148422U
申请日期
1983.09.26
申请人
发明人
分类号
E03F5/04;(IPC1-7):E03F5/04
主分类号
E03F5/04
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代理人
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地址
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