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经营范围
发明名称
Appareil de ventilation automatique
摘要
申请公布号
FR783478(A)
申请公布日期
1935.07.12
申请号
FRD783478
申请日期
1934.02.28
申请人
发明人
CHANARD AUGUSTE
分类号
B61D27/00
主分类号
B61D27/00
代理机构
代理人
主权项
地址
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