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发明名称
Stahlbetondecke mit Fertigbalken und Druckplatte aus Ortbeton
摘要
申请公布号
DE902307(C)
申请公布日期
1954.01.21
申请号
DE1951K009071
申请日期
1951.02.21
申请人
ERNST KOCH
发明人
KOCH ERNST
分类号
B28B23/22;E04B5/23
主分类号
B28B23/22
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代理人
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地址
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