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发明名称
摘要
申请公布号
JPH0672442(B2)
申请公布日期
1994.09.14
申请号
JP19890208461
申请日期
1989.08.11
申请人
发明人
分类号
E02F9/16;B66C13/54;B66F9/075;(IPC1-7):E02F9/16
主分类号
E02F9/16
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