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经营范围
发明名称
Improvements in wire rope and like lifting gear
摘要
申请公布号
GB422222(A)
申请公布日期
1935.01.08
申请号
GB19330022152
申请日期
1933.08.08
申请人
WILFRID L. SPENCE
发明人
分类号
B66C7/00
主分类号
B66C7/00
代理机构
代理人
主权项
地址
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