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发明名称
Verfahren zur Herstellung eines Mehrlagenrohres
摘要
申请公布号
DE502005004156(D1)
申请公布日期
2008.06.26
申请号
DE200550004156T
申请日期
2005.12.16
申请人
BERGROHR GMBH SIEGEN
发明人
BERG, BERND
分类号
B21C37/09;B21C37/08
主分类号
B21C37/09
代理机构
代理人
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地址
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