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经营范围
发明名称
Power-actuated saw and drill mechanism
摘要
申请公布号
US1850137(A)
申请公布日期
1932.03.22
申请号
US19290361415
申请日期
1929.05.08
申请人
WALTER C. SCOTT
发明人
PURSELL ARTHUR TOD
分类号
B23D57/00;B27C9/00
主分类号
B23D57/00
代理机构
代理人
主权项
地址
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