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发明名称
摘要
申请公布号
JPS6391535(U)
申请公布日期
1988.06.14
申请号
JP19860183841U
申请日期
1986.11.28
申请人
发明人
分类号
A01C7/08;A01C5/04;A01C19/04;E01C19/23;E02D17/20;(IPC1-7):E02D17/20
主分类号
A01C7/08
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代理人
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地址
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