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经营范围
发明名称
Improvements in or relating to protective systems for polyphase a.c. loads
摘要
申请公布号
GB728795(A)
申请公布日期
1955.04.27
申请号
GB19530015144
申请日期
1953.06.01
申请人
ALEXANDER ANDERSON;ANDERSON, BOYES & COMPANY LIMITED
发明人
分类号
H02H11/00
主分类号
H02H11/00
代理机构
代理人
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地址
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