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发明名称
Two-way plow
摘要
申请公布号
GB665642(A)
申请公布日期
1952.01.30
申请号
GB19490007202
申请日期
1949.03.16
申请人
HARRY ALVIN PURSCHE
发明人
分类号
A01B3/46
主分类号
A01B3/46
代理机构
代理人
主权项
地址
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