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发明名称
Recording device for concrete mixing drums
摘要
申请公布号
US2658731(A)
申请公布日期
1953.11.10
申请号
US19520269938
申请日期
1952.02.05
申请人
RAYMOND G. OSBORNE;RAYMOND G. OSBORNE, JR.;HOWARD S. OSBORNE;PHILIP S. OSBORNE
发明人
OSBORNE RAYMOND G.;BOYKIN ROBERT O.
分类号
B28C5/42;B28C7/02;G07C3/12
主分类号
B28C5/42
代理机构
代理人
主权项
地址
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