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Results 1 - 4 of 4: (Number of pages: 1)

  1. General Requirements for Deep Well Hand Pump (Ruwatsan 1) for Rural Water Supply, Nigerian Industrial Standard (NIS 325:1997) (1997)
    Standards Organisation of Nigeria (SON)
  2. General Requirements for Deep Well Hand Pump (Ruwatsan 2) for Rural Water Supply, Nigerian Industrial Standard (NIS 326:1997) (1997)
    Standards Organisation of Nigeria (SON)
  3. General Requirements for Direct Action Hand Pump for Rural Water Supply, Nigerian Industrial Standard (NIS 327:1997) (1997)
    Standards Organisation of Nigeria (SON)
  4. Nigerian standard for drinking water quality. ICS 13.060.20 * (2007)
    Standards Organisation of Nigeria (SON)