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发明名称
Perfectionnements aux soufflets d'intercirculation pour voitures de chemin de fer
摘要
申请公布号
FR727102(A)
申请公布日期
1932.06.13
申请号
FRD727102
申请日期
1931.02.05
申请人
发明人
RENAR HENRI-JOSEPH
分类号
B61D17/22
主分类号
B61D17/22
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代理人
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