Specification for high density polyethylene pipes for portable water supplies sewage and industrial effluents IS:4984-1987 /

অনুরূপ উপাদানগুলি

• Indian Standard : Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents
  প্রকাশিত: (1979)
• Indian Standard : Specification for Low Density Polyethylene Pipes for Potable water Supplies
  প্রকাশিত: (1969)
• Reuse of sewage effluent
  অনুযায়ী: Institution of Civil Engineers
  প্রকাশিত: (1985)
• Reuse of sewage effluents
  প্রকাশিত: (1985)
• Sewage and industrial effluent treatment /
  প্রকাশিত: (2000)