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发明名称
Truck mix meter
摘要
申请公布号
US1805373(A)
申请公布日期
1931.05.12
申请号
US19300449299
申请日期
1930.05.02
申请人
KOEHRING COMPANY
发明人
ROBB JOHN F.
分类号
B28C5/42
主分类号
B28C5/42
代理机构
代理人
主权项
地址
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