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经营范围
发明名称
DYNAMIC WEIGHING APPARATUS
摘要
申请公布号
CA909279(A)
申请公布日期
1972.09.05
申请号
CAD909279
申请日期
申请人
CANADIAN NATIONAL RAILWAY COMPANY
发明人
GEORGE R. CASS
分类号
主分类号
代理机构
代理人
主权项
地址
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