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发明名称
Die stock
摘要
申请公布号
US2273598(A)
申请公布日期
1942.02.17
申请号
US19400345553
申请日期
1940.07.15
申请人
BEAVER PIPE TOOLS, INC.
发明人
SHAFER CLARENCE W.
分类号
B23G1/26;B23G5/00;B23G5/04
主分类号
B23G1/26
代理机构
代理人
主权项
地址
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