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发明名称
Resistor
摘要
申请公布号
US1931981(A)
申请公布日期
1933.10.24
申请号
US19310577304
申请日期
1931.11.25
申请人
HARDWICK, HINDLE, INC.
发明人
CROUSE GEORGE B.
分类号
H01C3/20
主分类号
H01C3/20
代理机构
代理人
主权项
地址
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