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经营范围
发明名称
Machine for cleaning seed cotton
摘要
申请公布号
US1787740(A)
申请公布日期
1931.01.06
申请号
US19280269910
申请日期
1928.04.14
申请人
SAMUEL WILLIAMS
发明人
WILLIAMS SAMUEL
分类号
D01B1/04
主分类号
D01B1/04
代理机构
代理人
主权项
地址
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