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发明名称
Improvements in engineers or fitters vices
摘要
申请公布号
GB509674(A)
申请公布日期
1939.07.19
申请号
GB19380033277
申请日期
1938.11.16
申请人
KENNETH FREDERICK RYALL
发明人
分类号
B25B1/12
主分类号
B25B1/12
代理机构
代理人
主权项
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