JIS K 6799-3:2018 specifies fittings for glass fibre reinforced polyethylene pipe systems which are laid underground and used mainly for transport of liquid materials such as water.
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JIS G 4802:2005
$17.00 $35.00
JIS H 7851:2005
$16.00 $32.00
JIS B 7543:2005
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JIS C 0099:2005
$40.00 $80.00