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经营范围
发明名称
Optische Signaleinrichtung
摘要
申请公布号
DE600680(C)
申请公布日期
1934.07.28
申请号
DED600680D
申请日期
1930.09.30
申请人
VEREINIGTE EISENBAHN-SIGNALWERKE G.M.B.H.
发明人
ZAWADZKI RICHARD
分类号
B61L5/18
主分类号
B61L5/18
代理机构
代理人
主权项
地址
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