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经营范围
发明名称
Rotary tiller for removing quack grass and the like
摘要
申请公布号
US2595537(A)
申请公布日期
1952.05.06
申请号
US19450604669
申请日期
1945.07.12
申请人
ELMER PITCHER
发明人
PITCHER ELMER
分类号
A01B33/02
主分类号
A01B33/02
代理机构
代理人
主权项
地址
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