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发明名称
Improvements in and relating to the manufacture of iron-hydrogen resistances
摘要
申请公布号
GB534914(A)
申请公布日期
1941.03.21
申请号
GB19390031306
申请日期
1939.12.01
申请人
VEREINIGTE GLUEHLAMPEN UND ELEKTRIZITAETS AKTIENGESELLSCHAFT
发明人
分类号
H01C7/13
主分类号
H01C7/13
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代理人
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地址
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