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经营范围
发明名称
RAIL CAR TRUCK FRAME
摘要
申请公布号
PL119362(B1)
申请公布日期
1981.12.31
申请号
PL19790214035
申请日期
1979.03.07
申请人
发明人
分类号
B61F;B61F5/00;(IPC1-7):B61F5/00
主分类号
B61F
代理机构
代理人
主权项
地址
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