List of 管|Water supply and drainage construction business,Okayama/ companies
- Industry : Water supply and drainage construction business
- Address : Okayama/
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Propulsion System "Uncle Mall Super Jr."
"Small diameter mud water engineeri...

Split-launch compatible propulsion system "Ankle Mall Mini"
"Small-diameter mud-water engineeri...

Expansion and Contraction Type, Collection and Re-insertion System "Uncle Mall Shuttle Method"
The tunneling machine is equipped w...