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发明名称
Selbsttaetige Entlueftungsanlage fuer Treppenhaeuser u.dgl.
摘要
申请公布号
DE1806223(A1)
申请公布日期
1970.07.23
申请号
DE19681806223
申请日期
1968.10.31
申请人
WEKA METALLBAU ULM WALTER UND KUENZLI
发明人
分类号
E05F1/10;E05F15/12;E05F15/20
主分类号
E05F1/10
代理机构
代理人
主权项
地址
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