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经营范围
发明名称
Improvements in or relating to railway signalling systems
摘要
申请公布号
GB468539(A)
申请公布日期
1937.07.07
申请号
GB19360022111
申请日期
1936.08.11
申请人
C. LORENZ AKTIENGESELLSCHAFT
发明人
分类号
B61L29/32
主分类号
B61L29/32
代理机构
代理人
主权项
地址
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