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经营范围
发明名称
Process for brightening fibrous materials
摘要
申请公布号
GB906960(A)
申请公布日期
1962.09.26
申请号
GB19610026422
申请日期
1961.07.20
申请人
FARBENFABRIKEN BAYER AKTIENGESELLSCHAFT
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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