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发明名称
Improvements in or relating to lift systems
摘要
申请公布号
GB879121(A)
申请公布日期
1961.10.04
申请号
GB19570035396
申请日期
1957.11.13
申请人
J. & E. HALL LIMITED
发明人
BAILEY WILLIAM JOHN
分类号
B66B1/20
主分类号
B66B1/20
代理机构
代理人
主权项
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