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发明名称
摘要
申请公布号
JPS4317895(Y1)
申请公布日期
1968.07.24
申请号
JP19640078220U
申请日期
1964.10.06
申请人
发明人
分类号
E03D11/00;(IPC1-7):E03D11/00
主分类号
E03D11/00
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代理人
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