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发明名称
摘要
申请公布号
JPS639629(Y2)
申请公布日期
1988.03.22
申请号
JP19820158582U
申请日期
1982.10.20
申请人
发明人
分类号
E02F3/355;(IPC1-7):E02F3/355
主分类号
E02F3/355
代理机构
代理人
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地址
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