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经营范围
发明名称
POWDER DISPENSING APPARATUS
摘要
申请公布号
CA477719(A)
申请公布日期
1951.10.09
申请号
CAD477719
申请日期
申请人
UNION CARBIDE AND CARBON CORPORATION
发明人
RALPH E. DUCE
分类号
主分类号
代理机构
代理人
主权项
地址
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