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经营范围
发明名称
Dispositif économiseur de combustibles
摘要
申请公布号
FR872502(A)
申请公布日期
1942.06.11
申请号
FRD872502
申请日期
1940.10.31
申请人
发明人
BLANCHOUD PIERRE-LEON
分类号
F24C3/12
主分类号
F24C3/12
代理机构
代理人
主权项
地址
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