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摘要
申请公布号
JPS53132736(U)
申请公布日期
1978.10.20
申请号
JP19770038119U
申请日期
1977.03.28
申请人
发明人
分类号
E02B7/54;(IPC1-7):E02B7/54
主分类号
E02B7/54
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