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经营范围
发明名称
Generation of electrical impulses controlled by a perforated carrier
摘要
申请公布号
US2809785(A)
申请公布日期
1957.10.15
申请号
US19540457456
申请日期
1954.09.21
申请人
MITHRA A.-G.
发明人
BALDE ULYSSE
分类号
H01H43/08
主分类号
H01H43/08
代理机构
代理人
主权项
地址
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