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经营范围
发明名称
Improvements in and relating to pulley blocks
摘要
申请公布号
GB540996(A)
申请公布日期
1941.11.07
申请号
GB19400013042
申请日期
1940.08.15
申请人
HERCULES JOHN DEMETRIADES
发明人
分类号
B66D3/16
主分类号
B66D3/16
代理机构
代理人
主权项
地址
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