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发明名称
DISPOSITIVO PERFECCIONADO PARA ACOPLAMIENTO HERMETICO DE TU-BERIAS.
摘要
申请公布号
ES231591(Y)
申请公布日期
1978.05.01
申请号
ES19910002315U
申请日期
1977.10.25
申请人
发明人
分类号
F16L;(IPC1-7):16L/
主分类号
F16L
代理机构
代理人
主权项
地址
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