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发明名称
Thermal sensing unit
摘要
申请公布号
US2890311(A)
申请公布日期
1959.06.09
申请号
US19560619498
申请日期
1956.10.31
申请人
DICTOGRAPH PRODUCTS COMPANY, INC.
发明人
LEHR PHILIP N.
分类号
H01H37/52
主分类号
H01H37/52
代理机构
代理人
主权项
地址
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