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经营范围
发明名称
Electromagnetic relay
摘要
申请公布号
US2056745(A)
申请公布日期
1936.10.06
申请号
US19300423104
申请日期
1930.01.24
申请人
GLENN STALNAKER EARL
发明人
STALNAKER EARL GLENN
分类号
G04C13/02
主分类号
G04C13/02
代理机构
代理人
主权项
地址
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