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经营范围
发明名称
HEAT INSULATED PIPES
摘要
申请公布号
GB1306832(A)
申请公布日期
1973.02.14
申请号
GB19700009391
申请日期
1970.04.03
申请人
INDUSTRIELE ONDERNEMING WAVIN NV
发明人
分类号
F16L59/02;F16L59/10;F16L59/16;F16L59/20;(IPC1-7):F16L59/00
主分类号
F16L59/02
代理机构
代理人
主权项
地址
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