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经营范围
发明名称
Improvements in or relating to wrenches or similar appliances for use in securing orreleasing the covers of containers and for other purposes
摘要
申请公布号
GB654607(A)
申请公布日期
1951.06.20
申请号
GB19480027784D
申请日期
1948.10.26
申请人
WILLIAM HALL
发明人
分类号
B67B7/18
主分类号
B67B7/18
代理机构
代理人
主权项
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