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经营范围
发明名称
Percussion drilling machine
摘要
申请公布号
GB632935(A)
申请公布日期
1949.12.05
申请号
GB19460028922
申请日期
1946.09.27
申请人
SVEN ERIK ALBIN MATTSSON
发明人
分类号
B25D9/08;B25D17/08
主分类号
B25D9/08
代理机构
代理人
主权项
地址
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