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经营范围
发明名称
Perfectionnements apportés aux résines synthétiques
摘要
申请公布号
FR859548(A)
申请公布日期
1940.12.20
申请号
FRD859548
申请日期
1939.08.28
申请人
COMPAGNIE DES MEULES NORTON
发明人
分类号
C08F20/12;G02B1/04
主分类号
C08F20/12
代理机构
代理人
主权项
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