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经营范围
发明名称
Straw separator
摘要
申请公布号
US2067422(A)
申请公布日期
1937.01.12
申请号
US19350042846
申请日期
1935.09.30
申请人
ALBERT C. SEVERSON;JOHN STAHL
发明人
SEVERSON SAMUEL
分类号
B04C5/12
主分类号
B04C5/12
代理机构
代理人
主权项
地址
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