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经营范围
发明名称
Improvements in and relating to hoists
摘要
申请公布号
GB553870(A)
申请公布日期
1943.06.09
申请号
GB19410013845
申请日期
1941.10.28
申请人
OTTO WEIGNER
发明人
分类号
B66D3/22
主分类号
B66D3/22
代理机构
代理人
主权项
地址
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