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经营范围
发明名称
Improvements in or relating to wheels for use on railway vehicles
摘要
申请公布号
GB419164(A)
申请公布日期
1934.11.07
申请号
GB19330030264
申请日期
1933.10.31
申请人
ERNST KREISSIG;"RINGFEDER" GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
分类号
B60B17/00
主分类号
B60B17/00
代理机构
代理人
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