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发明名称
SCHUTZROHR FUER ERDVERLEGTE ROHRLEITUNGEN.
摘要
申请公布号
DE1871179(U)
申请公布日期
1963.04.25
申请号
DE196300M3954U
申请日期
1963.02.26
申请人
WILLY MAYER
发明人
WILLY MAYER
分类号
主分类号
代理机构
代理人
主权项
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