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经营范围
发明名称
Improvements in or relating to jewellers' rolling mills
摘要
申请公布号
GB639447(A)
申请公布日期
1950.06.28
申请号
GB19480010794
申请日期
1948.04.19
申请人
JEAN LOUIS JOSEPH STROBEL
发明人
分类号
B21B1/40
主分类号
B21B1/40
代理机构
代理人
主权项
地址
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