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发明名称
Process for preparing slab-shaped and needle-shaped gypsum crystals, in particular for use when producing paper
摘要
申请公布号
DK171467(B1)
申请公布日期
1996.11.11
申请号
DK19880005155
申请日期
1988.09.15
申请人
UNITED STATES GYPSUM COMPANY
发明人
JOHNSTONE, NORMAN E.;GAYNOR, JOHN C.;ERICKSON, ROBERT W.
分类号
C01F11/46;D21H;D21H17/67;D21H21/52;E04B;E04C;(IPC1-7):C01F11/46
主分类号
C01F11/46
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代理人
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