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"Johkasou Monthly", Latest Issue - Table of Contents

Monthly johkasou October issue cover
Features
Blower installation, operation and maintenance

October issue Table of contents

Introduction

Features

Course

Registration johkasou (August 2020) Summary version

Government information

News

Schedule

johkasou research Vol.33 No.4 2024

"Monthly johkasou" reader survey

Please cooperate with the reader survey so that we can use it as a reference for future magazine creation.

Contact us

Information/IT Group
Tel: 03-3635-4884 Fax: 03-3635-4886
E-mail: joho@jeces.or.jp
Mikihiro Mukai (Public Interest Incorporated Foundation Kodokan)​
Japan Education Center of Environmental Sanitation
130-0024
2-23-3 Kikukawa, Sumida-ku, Tokyo
TEL: 03-3635-4880 (Switchboard),


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