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经营范围
发明名称
Moisture-impervious panel capable of rapid/delayed hydration.
摘要
申请公布号
EP0442597(B1)
申请公布日期
1994.05.18
申请号
EP19910300003
申请日期
1991.01.02
申请人
AMERICAN COLLOID COMPANY
发明人
ALEXANDER, WILLIAM
分类号
B32B9/00;B32B29/04;E02D31/02;E04C2/52;B32B3/28;(IPC1-7):E04C2/52;E02B3/12
主分类号
B32B9/00
代理机构
代理人
主权项
地址
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