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经营范围
发明名称
Connecting pipes
摘要
申请公布号
GB2086515(A)
申请公布日期
1982.05.12
申请号
GB19810029828
申请日期
1981.10.02
申请人
WALKER DAVID
发明人
分类号
A01C23/04;(IPC1-7):F16L37/02
主分类号
A01C23/04
代理机构
代理人
主权项
地址
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