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发明名称
Elektrische Alarmanlage
摘要
申请公布号
DE1018931(B)
申请公布日期
1957.11.07
申请号
DE1954D018665
申请日期
1954.09.13
申请人
DANSKE SECURITAS A/S
发明人
分类号
H04M3/10;H04M11/04
主分类号
H04M3/10
代理机构
代理人
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