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发明名称
Improvements in or relating to processes for the purification of etched electrodes
摘要
申请公布号
GB508075(A)
申请公布日期
1939.06.22
申请号
GB19370035554
申请日期
1937.12.22
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H01G9/04
主分类号
H01G9/04
代理机构
代理人
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