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摘要
申请公布号
JPH0437642(U)
申请公布日期
1992.03.30
申请号
JP19900077122U
申请日期
1990.07.19
申请人
发明人
分类号
A01D7/00;E02F3/34;E02F3/36;E02F3/38;(IPC1-7):E02F3/34
主分类号
A01D7/00
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