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发明名称
Avertisseur sonore pneumatique perfectionné
摘要
申请公布号
FR1458669(A)
申请公布日期
1966.03.04
申请号
FR19650033452
申请日期
1965.10.01
申请人
SOCIETE NATIONALE DES CHEMINS DE FER FRANCAIS
发明人
KIPFER WILLY
分类号
G10K9/20
主分类号
G10K9/20
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