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经营范围
发明名称
Improvements in or relating to traction apparatus
摘要
申请公布号
GB759490(A)
申请公布日期
1956.10.17
申请号
GB19530007305
申请日期
1953.03.17
申请人
GUSTAF LEONARD FISK
发明人
分类号
B21C1/30
主分类号
B21C1/30
代理机构
代理人
主权项
地址
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