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经营范围
发明名称
INSULATED PIPE ELEMENT
摘要
申请公布号
IE830168(L)
申请公布日期
1983.07.28
申请号
IE19830000168
申请日期
1983.01.28
申请人
AMGAS B.V.
发明人
分类号
F16L59/12;F16L59/18;F23J13/02;(IPC1-7):F16L59/14;F23J11/00
主分类号
F16L59/12
代理机构
代理人
主权项
地址
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