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经营范围
发明名称
Improvements in hooks
摘要
申请公布号
GB544317(A)
申请公布日期
1942.04.08
申请号
GB19400017404
申请日期
1940.12.07
申请人
PERCY CHARLES BARTON
发明人
分类号
B66C1/36;F16B45/02
主分类号
B66C1/36
代理机构
代理人
主权项
地址
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