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发明名称
Aus vorgefertigten Betonteilen bestehender Notausstiegschacht fuer Luftschutzbauten
摘要
申请公布号
DE1137545(B)
申请公布日期
1962.10.04
申请号
DE1955D021574
申请日期
1955.10.27
申请人
DRAEGERWERK HEINR. & BERNH. DRAEGER;WAYSS & FREYTAG KOMMANDITGESELLSCHAFT
发明人
分类号
E04H9/12
主分类号
E04H9/12
代理机构
代理人
主权项
地址
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