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发明名称
APERFEICOAMENTO EM REGISTROS CONICOS
摘要
申请公布号
BR7905138(A)
申请公布日期
1981.02.10
申请号
BR19790005138
申请日期
1979.08.08
申请人
TAKESHI IMAI
发明人
TAKESHI IMAI
分类号
F16K5/02;F16K11/02;F16K11/08;(IPC1-7):F16K5/02
主分类号
F16K5/02
代理机构
代理人
主权项
地址
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