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经营范围
发明名称
Railroad car
摘要
申请公布号
US2883945(A)
申请公布日期
1959.04.28
申请号
US19540469770
申请日期
1954.11.18
申请人
HERBERT B. L. SILVERMAN
发明人
WALKER JOHN E.
分类号
B61D47/00
主分类号
B61D47/00
代理机构
代理人
主权项
地址
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