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发明名称
ZENTRIERVORRICHTUNG FUER DIE VERLEGUNG VON SCHWEREN ROEHREN ODER ROHRSTRAENGEN
摘要
申请公布号
DE2554176(A1)
申请公布日期
1977.06.16
申请号
DE19752554176
申请日期
1975.12.02
申请人
OEYGARDEN,JOHN;NAESS,LUDVIG
发明人
OEYGARDEN,JOHN;NAESS,LUDVIG
分类号
B21D22/26;B21D51/26;C14B1/40;F16L1/10
主分类号
B21D22/26
代理机构
代理人
主权项
地址
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