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发明名称
Bremsregler, insbesondere fuer Fernsprechnummernschalter
摘要
申请公布号
DE1044472(B)
申请公布日期
1958.11.20
申请号
DE1957S055064
申请日期
1957.09.10
申请人
SIEMENS & HALSKE AKTIENGESELLSCHAFT
发明人
KALLHARDT HEINRICH
分类号
H04M1/31
主分类号
H04M1/31
代理机构
代理人
主权项
地址
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