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发明名称
Improvements in swivels or couplings for use with chains, cables and the like
摘要
申请公布号
GB522044(A)
申请公布日期
1940.06.06
申请号
GB19390000469
申请日期
1938.11.30
申请人
DANIEL WELLINGS
发明人
分类号
F16G15/08
主分类号
F16G15/08
代理机构
代理人
主权项
地址
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