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发明名称
Anzeigevorrichtung fuer Wasserwege
摘要
申请公布号
DE1175616(B)
申请公布日期
1964.08.06
申请号
DE1963S084280
申请日期
1963.03.21
申请人
FA. SAXBY
发明人
分类号
G08G3/00;H01H3/16;H01H35/00
主分类号
G08G3/00
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