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经营范围
发明名称
Weeder
摘要
申请公布号
US1822675(A)
申请公布日期
1931.09.08
申请号
US19290369165
申请日期
1929.06.07
申请人
HENRY C. STOWERS
发明人
SHELKOFSKY HERMAN A.
分类号
A01B1/16
主分类号
A01B1/16
代理机构
代理人
主权项
地址
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