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发明名称
Attachment for tractors
摘要
申请公布号
US1767992(A)
申请公布日期
1930.06.24
申请号
US19290349775
申请日期
1929.03.25
申请人
LILLY ERNEST W
发明人
LILLY ERNEST W.
分类号
E02F5/02;E02F7/00
主分类号
E02F5/02
代理机构
代理人
主权项
地址
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