ผลิตภัณฑ์โลหะ
เอกสารมาตรฐาน
ญี่ปุ่น
JSA
JIS G 3471 : 2012
Corrugated steel pipe
2012
12
Std. JISf 2021 V.2
This Japanese Industrial Standard specifies the sectional shape, dimensions and constitution of corrugated steel pipes used for water channels, passage ways and other various kinds of civil work or building constructions, which are assembled on-site with corrugated steel sections specified in JIS G 3470.