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经营范围
发明名称
Improvements in or relating to apparatus for generating electric signals
摘要
申请公布号
GB561304(A)
申请公布日期
1944.05.15
申请号
GB19420015558
申请日期
1942.11.04
申请人
GUY R. FOUNTAIN LIMITED;HENRY JOHN HOULGATE;GEORGE CHARLES WHEELER
发明人
分类号
H03B5/22
主分类号
H03B5/22
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代理人
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