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经营范围
发明名称
Improvements in or relating to drop hammers
摘要
申请公布号
GB526317(A)
申请公布日期
1940.09.16
申请号
GB19390008031
申请日期
1939.03.13
申请人
THE ALLIANCE MACHINE CO.
发明人
分类号
B21J13/04
主分类号
B21J13/04
代理机构
代理人
主权项
地址
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