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发明名称
摘要
申请公布号
JPS56100536(U)
申请公布日期
1981.08.07
申请号
JP19790184784U
申请日期
1979.12.28
申请人
发明人
分类号
E02B7/32;E02B9/04;(IPC1-7):E02B7/32
主分类号
E02B7/32
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代理人
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