Dangos 1 - 1 canlyniadau o 1 ar gyfer chwilio '"IS Code IS : 4984 -1978"', amser ymholiad: 0.02e Mireinio'r Canlyniadau
  1. 1
    Indian Standard : Specification for High Density Polyethylene Pipes for Water Supplies, Sewage and Industrial Effluents
    Cyhoeddwyd 1979
    Pynciau: “...IS Code IS : 4984 -1978...”
    Printed Book
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