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发明名称
Hygrometer operated switch
摘要
申请公布号
US2019635(A)
申请公布日期
1935.11.05
申请号
US19320631261
申请日期
1932.08.31
申请人
SCHOEW KARL F
发明人
SCHOEW KARL F.
分类号
G07C3/08;H01H35/42
主分类号
G07C3/08
代理机构
代理人
主权项
地址
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