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经营范围
发明名称
NYA MINERALPRODUKTER.
摘要
申请公布号
FI871462(A0)
申请公布日期
1987.04.03
申请号
FI19870001462
申请日期
1987.04.03
申请人
KEMIRA OY ESPOON TUTKIMUSKESKUS
发明人
HELTTULA, TEPPO ANTTI KALEVI;JOKINEN, OLLI JUHANI
分类号
D21H;(IPC1-7):D21H/
主分类号
D21H
代理机构
代理人
主权项
地址
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