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经营范围
发明名称
Variable electrical resistance device
摘要
申请公布号
US3300747(A)
申请公布日期
1967.01.24
申请号
US19650504901
申请日期
1965.10.24
申请人
TERENCE DALBY
发明人
BELLAR OSCAR
分类号
H01C10/24
主分类号
H01C10/24
代理机构
代理人
主权项
地址
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