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发明名称
Improvements in extractors for removing keys from keyways
摘要
申请公布号
GB755623(A)
申请公布日期
1956.08.22
申请号
GB19530030581
申请日期
1953.11.05
申请人
DAVID COLLINGS
发明人
分类号
B25B27/04
主分类号
B25B27/04
代理机构
代理人
主权项
地址
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