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经营范围
发明名称
Protection des émulsions, clichés et pièces d'optique contre l'électrisation, les poussières, rayures, voiles et autres inconvénients résultants
摘要
申请公布号
FR895936(A)
申请公布日期
1945.02.07
申请号
FRD895936
申请日期
1943.02.18
申请人
发明人
CORDONNIER GERARD
分类号
C03C17/06
主分类号
C03C17/06
代理机构
代理人
主权项
地址
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