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发明名称
Dispositif pour le nettoyage des bougies d'allumage
摘要
申请公布号
FR747843(A)
申请公布日期
1933.06.24
申请号
FRD747843
申请日期
1932.12.20
申请人
发明人
MEYER JEAN
分类号
H01T21/04
主分类号
H01T21/04
代理机构
代理人
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