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发明名称
Rolling mill guide
摘要
申请公布号
US1804947(A)
申请公布日期
1931.05.12
申请号
US19290400208
申请日期
1929.10.17
申请人
GUNNAR PALMGREN PER
发明人
PALMGREN PER GUNNAR
分类号
B21B39/16
主分类号
B21B39/16
代理机构
代理人
主权项
地址
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