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发明名称
Schutzschaltung gegen aussergewoehnliche Belastung von Stromempfaengern, insbesondere fuer Telephonanlagen
摘要
申请公布号
DE518800(C)
申请公布日期
1931.02.19
申请号
DE1927ST42216D
申请日期
1927.02.11
申请人
STANDARD ELEKTRICITAETS-GESELLSCHAFT AKT.-GES.
发明人
分类号
H04M1/74
主分类号
H04M1/74
代理机构
代理人
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地址
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