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经营范围
发明名称
Filtre pour gazogène
摘要
申请公布号
FR833250(A)
申请公布日期
1938.10.17
申请号
FRD833250
申请日期
1937.06.11
申请人
发明人
BARREY LOUIS
分类号
B01D47/02
主分类号
B01D47/02
代理机构
代理人
主权项
地址
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