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经营范围
发明名称
Duebelverbindung, insbesondere fuer Betonstrassendecken
摘要
申请公布号
DE709897(C)
申请公布日期
1941.08.29
申请号
DE1937D076634D
申请日期
1937.11.20
申请人
DYCKERHOFF & WIDMANN KOMM.-GES.
发明人
分类号
E01C11/14
主分类号
E01C11/14
代理机构
代理人
主权项
地址
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