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发明名称
VIELLOCHSTEIN.
摘要
申请公布号
DE1632321(U)
申请公布日期
1951.12.20
申请号
DE194900D0196U
申请日期
1949.11.11
申请人
DACHZIEGELWERKE E. C. SPINGLER G.M.B.H.
发明人
分类号
主分类号
代理机构
代理人
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