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发明名称
Improvements in methods of manufacturing electrical resistances
摘要
申请公布号
GB340433(A)
申请公布日期
1931.01.01
申请号
GB19300003655
申请日期
1930.02.03
申请人
STEATIT-MAGNESIA AKTIENGESELLSCHAFT
发明人
分类号
H01B1/24
主分类号
H01B1/24
代理机构
代理人
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