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发明名称
DRUCKWELLENGEBER UND DRUCKWELLENVERSTAERKER FUER GASVERTEILUNGSNETZE.
摘要
申请公布号
DE1717267(U)
申请公布日期
1956.02.23
申请号
DE195300K3513U
申请日期
1953.10.15
申请人
G. KROMSCHROEDER AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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