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发明名称
摘要
申请公布号
JPS4618790(Y1)
申请公布日期
1971.06.30
申请号
JP19670054166U
申请日期
1967.06.24
申请人
发明人
分类号
(IPC1-7):E03B7/12
主分类号
(IPC1-7):E03B7/12
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