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发明名称
REDUCING ELECTRICAL RESISTANCE TO SIGNAL SHUNT APPARATUS FOR RAILWAYS
摘要
申请公布号
CA627993(A)
申请公布日期
1961.09.26
申请号
CAD627993
申请日期
申请人
THE BUDD COMPANY
发明人
ALBERT G. DEAN;JOHN E. BURTON
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