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经营范围
发明名称
Improvements in or relating to mechanical follow-up and power amplifier systems
摘要
申请公布号
GB586106(A)
申请公布日期
1947.03.07
申请号
GB19380026820
申请日期
1938.09.14
申请人
VICKERS-ARMSTRONGS LIMITED;JOHN PERCIVAL WATSON
发明人
分类号
G05G19/00
主分类号
G05G19/00
代理机构
代理人
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地址
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