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发明名称
IMPROVEMENTS IN OR RELATING TO EARTHWORKING IMPLEMENTS
摘要
申请公布号
GB1260372(A)
申请公布日期
1972.01.19
申请号
GB19690017439
申请日期
1969.04.03
申请人
MASSEY-FERGUSON INC.
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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