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发明名称
摘要
申请公布号
GB1289252(A)
申请公布日期
1972.09.13
申请号
GBD1289252
申请日期
1971.05.11
申请人
发明人
分类号
A01B69/00;A01D67/00;B62D13/00
主分类号
A01B69/00
代理机构
代理人
主权项
地址
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