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经营范围
发明名称
Improvements in or relating to circuit arrangements for setting routing selectors intelecommunications installations
摘要
申请公布号
GB816162(A)
申请公布日期
1959.07.08
申请号
GB19570009214
申请日期
1957.03.20
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
H04Q3/00
主分类号
H04Q3/00
代理机构
代理人
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