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发明名称
Weitgespanntes Saegedach aus Eisenbeton
摘要
申请公布号
DE719119(C)
申请公布日期
1942.03.30
申请号
DE1939J064308D
申请日期
1939.04.09
申请人
LEONHARD JACOBI
发明人
JACOBI LEONHARD
分类号
E04B7/12
主分类号
E04B7/12
代理机构
代理人
主权项
地址
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