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发明名称
Pattern scribing tool
摘要
申请公布号
US2581179(A)
申请公布日期
1952.01.01
申请号
US19470737929
申请日期
1947.03.28
申请人
ELDH CLARENCE L
发明人
ELDH CLARENCE L.
分类号
B25H7/04
主分类号
B25H7/04
代理机构
代理人
主权项
地址
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