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发明名称
Gittertraeger fuer Stahlbetonrippendecken
摘要
申请公布号
DE1484320(A1)
申请公布日期
1968.12.05
申请号
DE19621484320
申请日期
1962.12.31
申请人
MERRETTIG,PAUL
发明人
MERRETTIG,PAUL
分类号
B21F27/20;E04C5/065
主分类号
B21F27/20
代理机构
代理人
主权项
地址
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