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发明名称
Improvements relating to earth working implements
摘要
申请公布号
GB675505(A)
申请公布日期
1952.07.09
申请号
GB19500020544
申请日期
1950.08.18
申请人
ERNEST VICTOR BRISCOE
发明人
分类号
E02F3/76;E02F5/22
主分类号
E02F3/76
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