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经营范围
发明名称
Shunting system
摘要
申请公布号
US1921395(A)
申请公布日期
1933.08.08
申请号
US19280324310
申请日期
1928.12.06
申请人
THE FIRM VEREINIGTE EISENBAHN-SIGNALWERKE G. M. B. H.
发明人
MOLLER KARL
分类号
B61L17/00
主分类号
B61L17/00
代理机构
代理人
主权项
地址
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Compositions
