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经营范围
发明名称
Heat control emergency plug
摘要
申请公布号
US1859977(A)
申请公布日期
1932.05.24
申请号
US19300452289
申请日期
1930.05.14
申请人
CHARLES OSAD
发明人
MERDAN ALEXANDER
分类号
H01H29/30
主分类号
H01H29/30
代理机构
代理人
主权项
地址
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