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经营范围
发明名称
Rail joint
摘要
申请公布号
US2151026(A)
申请公布日期
1939.03.21
申请号
US19380216905
申请日期
1938.07.01
申请人
JOSEPH D. RIPP;HARRY B. SALKOVITZ
发明人
GORICK FRANK G.
分类号
E01B11/36
主分类号
E01B11/36
代理机构
代理人
主权项
地址
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