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发明名称
摘要
申请公布号
JPS5613380(Y2)
申请公布日期
1981.03.28
申请号
JP19740061168U
申请日期
1974.05.27
申请人
发明人
分类号
E02F9/28;A47L11/00;A47L11/32;E01H5/06;E01H5/08;E02F3/76;E02F3/815;(IPC1-7):E01H5/08
主分类号
E02F9/28
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代理人
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地址
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