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经营范围
发明名称
Improvements in or relating to electric switches
摘要
申请公布号
GB396237(A)
申请公布日期
1933.08.03
申请号
GB19320025732
申请日期
1932.09.15
申请人
HEINRICH KRATZ
发明人
分类号
H01H83/00;H01H83/02
主分类号
H01H83/00
代理机构
代理人
主权项
地址
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