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经营范围
发明名称
COUPLING FOR RAIL CARS
摘要
申请公布号
PL116448(B1)
申请公布日期
1981.06.30
申请号
PL19770198293
申请日期
1977.05.21
申请人
发明人
分类号
B61G9/12;F16F9/512;F16F13/00;(IPC1-7):B61G9/08
主分类号
B61G9/12
代理机构
代理人
主权项
地址
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