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发明名称
Die stock
摘要
申请公布号
US2269221(A)
申请公布日期
1942.01.06
申请号
US19410405931
申请日期
1941.08.08
申请人
BEAVER PIPE TOOLS INC.
发明人
PEALER ROBERT B.
分类号
B23G5/08
主分类号
B23G5/08
代理机构
代理人
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地址
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