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发明名称
JOINING DOUBLE WALLED CORRUGATED PIPES
摘要
申请公布号
IE45492(L)
申请公布日期
1977.08.04
申请号
IE19770000170
申请日期
1977.01.27
申请人
N.LUNDBERGS FABRIKS AG
发明人
分类号
F16L23/04;(IPC1-7):F16L39/00
主分类号
F16L23/04
代理机构
代理人
主权项
地址
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