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| Environmental Maintenance Division is positively working at environmental preservation projects, managing and maintaining of the sewage.
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| Dealer
Registration and Membership Registration |
| Ministry
of Land, Infrastructure, and Transport
Registration number (3)19-318 |
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Sewerage
Treatment and Disposal Facility Maintenance
Dealer |
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| Japan
Sewerage Treatment and Disposal Facility
Maintenance Association |
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Full Membership
Registration number 122 |
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| Organization
of Environmental Maintenance Division |
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