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经营范围
发明名称
Diazotypmateriaal.
摘要
申请公布号
BE600923(A5)
申请公布日期
1961.11.06
申请号
BE19610600923
申请日期
1961.03.06
申请人
CHEMISCHE FABRIEK L. VAN DER GRINTEN N.V.
发明人
分类号
主分类号
代理机构
代理人
主权项
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