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发明名称
ABRACADEIRA HELICOIDAL
摘要
申请公布号
BR7902295(A)
申请公布日期
1980.10.29
申请号
BR19790002295
申请日期
1979.04.16
申请人
DA COSTA D
发明人
DA COSTA D
分类号
F16L33/06;(IPC1-7):F16L33/06
主分类号
F16L33/06
代理机构
代理人
主权项
地址
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