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发明名称
ELECTRIC SYSTEM FOR AUTOMATICALLY ADJUSTING TIME CONSTANT OF HYDROMECHANICAL WAGON RETARDERS
摘要
申请公布号
PL128489(B1)
申请公布日期
1984.01.31
申请号
PL19800221852
申请日期
1980.02.05
申请人
发明人
分类号
B61H;B61K7/12;F15B21/04;G05D;G05D24/02;(IPC1-7):B61K7/12
主分类号
B61H
代理机构
代理人
主权项
地址
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