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经营范围
发明名称
Kunstig Isbane.
摘要
申请公布号
DK44357(C)
申请公布日期
1931.07.13
申请号
DKD44357
申请日期
1930.11.01
申请人
DR. ING. WALTHER KOENIGER
发明人
DR. ING. WALTHER KOENIGER
分类号
E01C13/10
主分类号
E01C13/10
代理机构
代理人
主权项
地址
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