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发明名称
Un nuevo manguito perfeccionado para empalme de tuberías
摘要
申请公布号
ES42334(Y)
申请公布日期
1955.01.01
申请号
ES19340000423U
申请日期
1954.06.04
申请人
TUBOS DE PRECISIÓN, S. A.
发明人
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