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发明名称
Bewehrung fuer Strassendecken aus aneinandergereihten eisernen Rosten
摘要
申请公布号
DE642520(C)
申请公布日期
1937.03.06
申请号
DE1934B164406D
申请日期
1934.02.24
申请人
CARL BILLAND
发明人
分类号
E01C11/16
主分类号
E01C11/16
代理机构
代理人
主权项
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