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经营范围
发明名称
Block with improved central mounting
摘要
A block with a rotating sheave mounted between a pair of side plates. Between the side plates may be a post about which a mounting loop may be mounted. The post is configured to permit the loop to be attached or detached from the block.
申请公布号
US7988132(B2)
申请公布日期
2011.08.02
申请号
US20100720467
申请日期
2010.03.09
申请人
HARKEN, INC.
发明人
LANGE KENNETH EDWARD
分类号
B66D3/04
主分类号
B66D3/04
代理机构
代理人
主权项
地址
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