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发明名称
Planter attachment for tractors
摘要
申请公布号
US2276697(A)
申请公布日期
1942.03.17
申请号
US19390295541
申请日期
1939.09.18
申请人
WALFRED PETERSON JOHN
发明人
PETERSON JOHN WALFRED
分类号
A01C7/08
主分类号
A01C7/08
代理机构
代理人
主权项
地址
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