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发明名称
Kontaktbank für Wähler in Fernsprechanlagen.
摘要
申请公布号
AT129673(B)
申请公布日期
1932.09.10
申请号
ATD129673
申请日期
1931.04.29
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
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