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经营范围
发明名称
Combine grain bin unloading attachment
摘要
申请公布号
US2507873(A)
申请公布日期
1950.05.16
申请号
US19480056377
申请日期
1948.10.25
申请人
REID WARD
发明人
WARD REID
分类号
A01D41/12
主分类号
A01D41/12
代理机构
代理人
主权项
地址
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