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发明名称
ARTICULATED JOINT
摘要
申请公布号
PL121480(B3)
申请公布日期
1982.05.31
申请号
PL19790217198
申请日期
1979.07.17
申请人
发明人
分类号
E21D15/54;F16C;F16C11/00;(IPC1-7):E21D15/54
主分类号
E21D15/54
代理机构
代理人
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地址
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