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发明名称
APPARATUS FOR STRAIGHTENING OF FOUR WHEEL COAL CAR RUNNING GEARS
摘要
申请公布号
PL150623(B1)
申请公布日期
1990.06.30
申请号
PL19860262383
申请日期
1986.11.12
申请人
发明人
分类号
B21D1/06;B23P;B23P6/00;(IPC1-7):B21D1/06
主分类号
B21D1/06
代理机构
代理人
主权项
地址
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