- Yokohama-shi Top Page
- Lifestyle and procedures
- Community Development and Environment
- Rivers and sewers
- Sewer
- Sewerage management and usage fee
- Yokohama City Sewerage Business Management Study Group
- Yokohama City Sewerage Business Management Study Group (9th term)
Here's the text.
Yokohama City Sewerage Business Management Study Group (9th term)
Comprehensive private consignment study group of sewer pipelines
Comprehensive management consignment study committee for sewerage facilities
Working Group on Flood Control Based on Climate Change
Page ID: 900-626-930