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经营范围
发明名称
Third rail securing device
摘要
申请公布号
US2035445(A)
申请公布日期
1936.03.31
申请号
US19340754973
申请日期
1934.11.27
申请人
SHIELD ELECTRIC COMPANY
发明人
BANKS WILLIAM C.
分类号
B60M1/30
主分类号
B60M1/30
代理机构
代理人
主权项
地址
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