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发明名称
Improvements in and relating to railway rail-joints
摘要
申请公布号
GB325202(A)
申请公布日期
1930.02.10
申请号
GB19280032829
申请日期
1928.11.09
申请人
FRIEDRICH KESSLER
发明人
分类号
E01B11/26
主分类号
E01B11/26
代理机构
代理人
主权项
地址
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