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发明名称
Electrical control device
摘要
申请公布号
US1881719(A)
申请公布日期
1932.10.11
申请号
US19300498306
申请日期
1930.11.26
申请人
MODERN COAL BURNER COMPANY
发明人
LEACH VERNON G.
分类号
H01H43/12
主分类号
H01H43/12
代理机构
代理人
主权项
地址
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