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发明名称
Electrical position-indicating apparatus
摘要
申请公布号
US2932014(A)
申请公布日期
1960.04.05
申请号
US19560615563
申请日期
1956.10.12
申请人
B-I-F INDUSTRIES, INC.
发明人
THORESEN JOHN C.
分类号
G05D3/12
主分类号
G05D3/12
代理机构
代理人
主权项
地址
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