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发明名称
construção de articulação esférica.
摘要
申请公布号
BR0002838(B1)
申请公布日期
2009.05.05
申请号
BR20000002838
申请日期
2000.06.28
申请人
发明人
ORIVALDO DA SILVA OLIVEIRA
分类号
F16L27/04
主分类号
F16L27/04
代理机构
代理人
主权项
地址
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