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经营范围
发明名称
ANNULAR GASKET
摘要
申请公布号
GB2075616(B)
申请公布日期
1984.08.22
申请号
GB19810013329
申请日期
1981.04.30
申请人
NUOVO PIGNONE SPA
发明人
分类号
B21D53/18;F16J15/08;(IPC1-7):F16J15/08
主分类号
B21D53/18
代理机构
代理人
主权项
地址
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