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发明名称
Improvements in and relating to depth-limiting attachments for drills and the like
摘要
申请公布号
GB629221(A)
申请公布日期
1949.09.14
申请号
GB19470029345
申请日期
1947.11.04
申请人
HENRY MAITLAND WILLIAMS
发明人
分类号
B23B49/00
主分类号
B23B49/00
代理机构
代理人
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