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发明名称
ELEMENTO DI TENUTA
摘要
申请公布号
IT961831(B)
申请公布日期
1973.12.10
申请号
IT19720051942
申请日期
1972.08.02
申请人
DEUTSCHE EDELSTAHLWERKE GES MBH
发明人
FREHN F
分类号
B22F7/06;C22C29/06;C22C38/00;F01C19/00;F16J15/28;(IPC1-7):F16J/
主分类号
B22F7/06
代理机构
代理人
主权项
地址
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