Indian Standards Institution. (1969). Indian Standard: Specification for Low Density Polyethylene Pipes for Potable water Supplies. Indian Standards Institution.
Styl ChicagoIndian Standards Institution. Indian Standard: Specification for Low Density Polyethylene Pipes for Potable Water Supplies. N.Delhi: Indian Standards Institution, 1969.
Citace podle MLAIndian Standards Institution. Indian Standard: Specification for Low Density Polyethylene Pipes for Potable Water Supplies. Indian Standards Institution, 1969.
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