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发明名称
Deckenhohlkoerper fuer Stahlbetonrippendecken, Traegerdecken oder andere Montagedecken
摘要
申请公布号
DE955358(C)
申请公布日期
1957.01.03
申请号
DE1954E008455
申请日期
1954.01.21
申请人
KURT ELLMER
发明人
ELLMER KURT
分类号
主分类号
代理机构
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