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经营范围
发明名称
ELECTRIC POT FURNACES
摘要
申请公布号
CA513035(A)
申请公布日期
1955.05.17
申请号
CAD513035
申请日期
申请人
ARTEMAS DEFOREST HOLDEN
发明人
ALBERT G. CONRAD
分类号
主分类号
代理机构
代理人
主权项
地址
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