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发明名称
摘要
申请公布号
JPS53133402(U)
申请公布日期
1978.10.23
申请号
JP19770037710U
申请日期
1977.03.30
申请人
发明人
分类号
E02F5/02;E02B5/02;E02B11/02;E02F7/00;(IPC1-7):E02F5/02
主分类号
E02F5/02
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