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经营范围
发明名称
Improvements in or relating to railway wagon haulage apparatus
摘要
申请公布号
GB700773(A)
申请公布日期
1953.12.09
申请号
GB19510006810
申请日期
1951.03.21
申请人
FREDERICK GILBERT MITCHELL
发明人
分类号
B61J3/00
主分类号
B61J3/00
代理机构
代理人
主权项
地址
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