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发明名称
Betonstein
摘要
申请公布号
AT271546(B)
申请公布日期
1969.06.10
申请号
AT19670002340
申请日期
1967.03.10
申请人
R. ZIMMER ZELLEBET-LEICHTBETONWERK
发明人
RUDOLF ZIMMER
分类号
E01C9/00
主分类号
E01C9/00
代理机构
代理人
主权项
地址
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