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经营范围
发明名称
摘要
申请公布号
JPH02136123(U)
申请公布日期
1990.11.13
申请号
JP19890045332U
申请日期
1989.04.18
申请人
发明人
分类号
E02B5/08;(IPC1-7):E02B5/08
主分类号
E02B5/08
代理机构
代理人
主权项
地址
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