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发明名称
DACHEINDECKUNG FUER EINE AUS TRAGSPARREN BESTEHENDE DACHKONSTRUKTION.
摘要
申请公布号
DE1656872(U)
申请公布日期
1953.06.03
申请号
DE194800D7011U
申请日期
1948.10.01
申请人
DR.-ING. WILHELM LUDOWICI
发明人
DR.-ING. WILHELM LUDOWICI
分类号
主分类号
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