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经营范围
发明名称
Soil pulverizers
摘要
申请公布号
US2751831(A)
申请公布日期
1956.06.26
申请号
US19530359490
申请日期
1953.06.04
申请人
NULL FAY E
发明人
NULL FAY E.
分类号
A01B77/00
主分类号
A01B77/00
代理机构
代理人
主权项
地址
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