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经营范围
发明名称
Procédé de protection des trains et appareils pour sa réalisation
摘要
申请公布号
FR843685(A)
申请公布日期
1939.07.07
申请号
FRD843685
申请日期
1938.03.17
申请人
发明人
GINSBURGER RENE
分类号
B61L1/20
主分类号
B61L1/20
代理机构
代理人
主权项
地址
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