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经营范围
发明名称
Wagon traverser
摘要
申请公布号
US2721521(A)
申请公布日期
1955.10.25
申请号
US19510241771
申请日期
1951.08.14
申请人
GILBERT MITCHELL FREDERICK
发明人
MITCHELL FREDERICK GILBERT
分类号
B61J1/10
主分类号
B61J1/10
代理机构
代理人
主权项
地址
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