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发明名称
Resistance materials and methods of making the same
摘要
申请公布号
GB540844(A)
申请公布日期
1941.10.31
申请号
GB19400010706
申请日期
1940.06.21
申请人
STANDARD TELEPHONES AND CABLES LIMITED
发明人
分类号
H01C7/04
主分类号
H01C7/04
代理机构
代理人
主权项
地址
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