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经营范围
发明名称
Schachtabdeckungsrost.
摘要
申请公布号
CH283685(A)
申请公布日期
1952.06.30
申请号
CHD283685
申请日期
1951.11.03
申请人
GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE AG.
发明人
GESELLSCHAFT DER LUDW. VON ROLL'SCHEN EISENWERKE AG.
分类号
E03F5/06
主分类号
E03F5/06
代理机构
代理人
主权项
地址
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