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经营范围
发明名称
TAPE FOR A BLOCK DILATATION DEVICE
摘要
申请公布号
PL262565(A1)
申请公布日期
1988.09.01
申请号
PL19860262565
申请日期
1986.11.24
申请人
发明人
分类号
E01C11/12;E01D;E01D19/06;(IPC1-7):E01D/
主分类号
E01C11/12
代理机构
代理人
主权项
地址
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