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发明名称
Improvements relating to safety suspension hooks for crane lifting tackle and the like
摘要
申请公布号
GB401976(A)
申请公布日期
1933.11.23
申请号
GB19330013058
申请日期
1933.05.04
申请人
VALENTINE WILLIAM EYRE;CHARLES POWIS MEDLEY
发明人
分类号
B66C1/36;B66D3/04
主分类号
B66C1/36
代理机构
代理人
主权项
地址
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