Award-winning products of National Land Technology Development
Award-winning products of National Land Technology Development
This is an introduction to products that have won the National Land Technology Development Award.
1～3 item / All 3 items
Displayed results
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[Road Widening Method] Wide Wall Method
1.5-lane road improvement response - roadway widening system
last updated
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Multi-slide method
Installation method for products at sites where large vehicles and heavy machinery cannot enter.
last updated
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Urban-type gutter (Shape-up slit)
Slim groove of oval tube type
last updated