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发明名称
Improvements in electric switches for controlling movements of cranes and other mechanism
摘要
申请公布号
GB551032(A)
申请公布日期
1943.02.04
申请号
GB19410013651
申请日期
1941.10.23
申请人
JOHN BARRINGTON PEARSON
发明人
分类号
B66B1/48
主分类号
B66B1/48
代理机构
代理人
主权项
地址
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