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发明名称
APPARECCHIATURA A GUARNIZIONE E DI LUBRIFICAZIONE DI CUSCINETTI PER ALBERI ROUTANTI.
摘要
申请公布号
IT8219062(D0)
申请公布日期
1982.01.12
申请号
IT19820019062
申请日期
1982.01.12
申请人
YOUNG DAVID E.
发明人
DAVID E. YOUNG
分类号
E21B4/02;E21B4/00;E21B21/00;F16J15/16;F16N11/10;F16N39/06;(IPC1-7):F16C/
主分类号
E21B4/02
代理机构
代理人
主权项
地址
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