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发明名称
Work centering tool
摘要
申请公布号
US2430513(A)
申请公布日期
1947.11.11
申请号
US19450625278
申请日期
1945.10.29
申请人
JOHNSTONE ROBERT A
发明人
JOHNSTONE ROBERT A.
分类号
B23B49/04
主分类号
B23B49/04
代理机构
代理人
主权项
地址
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