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发明名称
Electrical rheostat
摘要
申请公布号
US2720570(A)
申请公布日期
1955.10.11
申请号
US19550486091
申请日期
1955.02.04
申请人
JACK & HEINTZ, INC.
发明人
PUCHY CLARENCE G.
分类号
H01C10/12
主分类号
H01C10/12
代理机构
代理人
主权项
地址
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