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发明名称
Control system for railway car retarders
摘要
申请公布号
US3251991(A)
申请公布日期
1966.05.17
申请号
US19530383432
申请日期
1953.10.01
申请人
GENERAL SIGNAL CORPORATION
发明人
COLEY NELSON B.;ALBRIGHTON REGINALD F.
分类号
B61K7/12
主分类号
B61K7/12
代理机构
代理人
主权项
地址
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