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经营范围
发明名称
Reversible plow
摘要
申请公布号
US2637257(A)
申请公布日期
1953.05.05
申请号
US19480020409
申请日期
1948.04.12
申请人
BETZ CHARLEY W
发明人
BETZ CHARLEY W.
分类号
A01B5/08
主分类号
A01B5/08
代理机构
代理人
主权项
地址
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