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发明名称
Kehlziegel
摘要
申请公布号
DE751774(C)
申请公布日期
1953.02.09
申请号
DE1937B177699D
申请日期
1937.03.11
申请人
GEBRUEDER BOTT TONWARENFABRIKEN G.M.B.H.
发明人
LAUER KARL KONRAD
分类号
E04D1/30
主分类号
E04D1/30
代理机构
代理人
主权项
地址
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