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发明名称
Improvements in or relating to vices, work holders and similar appliances
摘要
申请公布号
GB461399(A)
申请公布日期
1937.02.16
申请号
GB19360010686
申请日期
1936.04.14
申请人
WILLIAM JAMES EVANS
发明人
分类号
B21D7/06;B25B1/22;B25B1/24
主分类号
B21D7/06
代理机构
代理人
主权项
地址
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