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发明名称
METHOD FOR PRODUCING LONG, ISOLATED PIPES IN THE FORM OF A SANDWICH CONSTRUCTION.
摘要
申请公布号
EP0474699(B1)
申请公布日期
1993.10.20
申请号
EP19900908311
申请日期
1990.05.23
申请人
BAKELITTFABRIKKEN A/S
发明人
RINGDAL, JAN, OTTO
分类号
F16L59/12;F16L;F16L59/14;(IPC1-7):F16L59/12
主分类号
F16L59/12
代理机构
代理人
主权项
地址
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