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经营范围
发明名称
Chain saw
摘要
申请公布号
US2351739(A)
申请公布日期
1944.06.20
申请号
US19410424651
申请日期
1941.12.27
申请人
BLUM ARTHUR N
发明人
BLUM ARTHUR N.
分类号
B27B17/12
主分类号
B27B17/12
代理机构
代理人
主权项
地址
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