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经营范围
发明名称
Fastening for rails
摘要
申请公布号
US2690876(A)
申请公布日期
1954.10.05
申请号
US19480047653
申请日期
1948.09.03
申请人
RUSH SNYDER JACOB
发明人
SNYDER JACOB RUSH
分类号
E01B9/30
主分类号
E01B9/30
代理机构
代理人
主权项
地址
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