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经营范围
发明名称
CREPING AID
摘要
申请公布号
US5234547(A)
申请公布日期
1993.08.10
申请号
US19920855808
申请日期
1992.03.23
申请人
W.R. GRACE & CO.-CONN.
发明人
KNIGHT, PAUL;WELKENER, ULRICH
分类号
D21H19/24;B31F1/12;C08G69/48;C08G73/02;D21H17/34;D21H17/56;D21H21/14;D21H23/24;D21H23/52;D21H27/00
主分类号
D21H19/24
代理机构
代理人
主权项
地址
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