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发明名称
Improvements in and relating to signalling apparatus and the like
摘要
申请公布号
GB515887(A)
申请公布日期
1939.12.18
申请号
GB19380017426
申请日期
1938.06.11
申请人
M.R.C. LIMITED;SYDNEY PILE
发明人
分类号
F16C1/12
主分类号
F16C1/12
代理机构
代理人
主权项
地址
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