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发明名称
Improvements in or relating to elevator mechanism and apparatus embodying such mechanism
摘要
申请公布号
GB480337(A)
申请公布日期
1938.02.15
申请号
GB19370019293
申请日期
1936.08.15
申请人
AUSTIN HOY & COMPANY LIMITED;JAMES ISAAC PHILP
发明人
分类号
E21C35/20;E21F13/06
主分类号
E21C35/20
代理机构
代理人
主权项
地址
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