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经营范围
发明名称
摘要
申请公布号
JPS5218581(U)
申请公布日期
1977.02.09
申请号
JP19750104994U
申请日期
1975.07.28
申请人
发明人
分类号
E02D29/14;E05D7/086;(IPC1-7):E02D29/14
主分类号
E02D29/14
代理机构
代理人
主权项
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