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发明名称
GESCHWEISSTES DOPPELWANDIGES ROHR, SOWIE VERFAHREN ZU SEINER HERSTELLUNG.
摘要
申请公布号
AT30683(T)
申请公布日期
1987.11.15
申请号
AT19850400440T
申请日期
1985.03.07
申请人
UGINE GUEUGNON S.A.
发明人
BAILLET, RAYMOND
分类号
B21C37/06;F16L9/18;(IPC1-7):B21C37/06
主分类号
B21C37/06
代理机构
代理人
主权项
地址
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