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经营范围
发明名称
Protective device for standpipe
摘要
申请公布号
GB2196702(A)
申请公布日期
1988.05.05
申请号
GB19860028019
申请日期
1986.11.24
申请人
ALBERT FLETCHER * WIGLEY
发明人
ALBERT FLETCHER * WIGLEY
分类号
E03B9/12;(IPC1-7):E03B9/12;F16L55/00;F16L57/00
主分类号
E03B9/12
代理机构
代理人
主权项
地址
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