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发明名称
VERTIKALER ROHROFEN FUER HOHEN ARBEITSDRUCK
摘要
申请公布号
DE1953306(B2)
申请公布日期
1972.02.17
申请号
DE19691953306
申请日期
1969.10.23
申请人
发明人
分类号
B22F3/14;B22F3/15;B30B11/00;(IPC1-7):F27B5/04
主分类号
B22F3/14
代理机构
代理人
主权项
地址
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