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经营范围
发明名称
TELEFONHAEUSCHEN
摘要
申请公布号
DE2130978(A1)
申请公布日期
1973.01.11
申请号
DE19712130978
申请日期
1971.06.22
申请人
SIEMENS AG
发明人
KAEO,TOENIS;KRAEMER,HERBERT;PETER KLEIST,KLAUS
分类号
E04H1/14;(IPC1-7):E04H1/14
主分类号
E04H1/14
代理机构
代理人
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地址
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