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发明名称
Dispositif pour le nettoyage des surfaces lisses
摘要
申请公布号
FR936437(A)
申请公布日期
1948.07.20
申请号
FRD936437
申请日期
1946.12.03
申请人
发明人
NIELSEN NIELS CHRISTIAN
分类号
A47L13/314
主分类号
A47L13/314
代理机构
代理人
主权项
地址
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