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经营范围
发明名称
Antislipping device for railway cars
摘要
申请公布号
US2431445(A)
申请公布日期
1947.11.25
申请号
US19440562134
申请日期
1944.11.06
申请人
ANDERSON ALBERT F
发明人
ANDERSON ALBERT F.
分类号
B60T8/32
主分类号
B60T8/32
代理机构
代理人
主权项
地址
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