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发明名称
Schweissverbindung zweier Rundstähle im Stahlbetonbau
摘要
申请公布号
DD26390(A1)
申请公布日期
1963.12.12
申请号
DD19620078923
申请日期
1962.03.28
申请人
HEDELER FRITZ
发明人
HEDELER FRITZ
分类号
主分类号
代理机构
代理人
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