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发明名称
Drilling fixture
摘要
申请公布号
US2225426(A)
申请公布日期
1940.12.17
申请号
US19370159659
申请日期
1937.08.18
申请人
OXWELD ACETYLENE COMPANY
发明人
ARONSON PETER R.
分类号
B23B39/22
主分类号
B23B39/22
代理机构
代理人
主权项
地址
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