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发明名称
Improvements in or relating to the manufacture of electrical accessories having relatively light contact leaves embedded in an insulating mass, such as electric lamp caps
摘要
申请公布号
GB489303(A)
申请公布日期
1938.07.25
申请号
GB19370002086
申请日期
1937.01.23
申请人
ADOLF FRIEDL
发明人
分类号
H01J9/46
主分类号
H01J9/46
代理机构
代理人
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