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发明名称
MAUERDUCRHFUEHRUNG FUER ERDUNGSLEITUNGEN
摘要
申请公布号
DE6930232(U)
申请公布日期
1969.12.04
申请号
DE19690030232U
申请日期
1969.07.30
申请人
FA. GEBRUEDER BEUL & CO
发明人
分类号
H01B17/26
主分类号
H01B17/26
代理机构
代理人
主权项
地址
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