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发明名称
Platten- oder blockfoermiges Bauelement aus Beton, Kunststein, Steinholz oder aehnlichen Baumaterialien in Verbindung mit metallischem Blei
摘要
申请公布号
DE1184687(B)
申请公布日期
1964.12.31
申请号
DE1953D015953
申请日期
1953.09.15
申请人
HEINRICH DRATH
发明人
DRATH HEINRICH
分类号
G21F1/04;G21F3/04
主分类号
G21F1/04
代理机构
代理人
主权项
地址
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