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发明名称
Platte für Kassettendecken
摘要
申请公布号
AT313539(B)
申请公布日期
1974.02.25
申请号
AT19710005199
申请日期
1971.06.16
申请人
ALFRED WEISBROD
发明人
分类号
E04B9/04;(IPC1-7):E04B5/54
主分类号
E04B9/04
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