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经营范围
发明名称
Arc extinguishing chimney
摘要
申请公布号
US1944403(A)
申请公布日期
1934.01.23
申请号
US19320602331
申请日期
1932.03.31
申请人
ANDRE CLERE
发明人
CLERE ANDRE
分类号
H01H33/70
主分类号
H01H33/70
代理机构
代理人
主权项
地址
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