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经营范围
发明名称
Improvements in earth-working agricultural implements
摘要
申请公布号
GB941227(A)
申请公布日期
1963.11.06
申请号
GB19620023005
申请日期
1962.06.14
申请人
EDWARD GEORGE HAYDOCK
发明人
分类号
A01B49/04
主分类号
A01B49/04
代理机构
代理人
主权项
地址
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