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发明名称
Tool
摘要
申请公布号
US2427816(A)
申请公布日期
1947.09.23
申请号
US19440534655
申请日期
1944.05.08
申请人
ROBERT H. CLARK
发明人
SMITH LAWSON A.
分类号
B23B51/10
主分类号
B23B51/10
代理机构
代理人
主权项
地址
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