CSN 75 6401-1998
Sewage treatment for more than 500 population equivalents

Standard No.

CSN 75 6401-1998

Release Date

1998

Published By

CZ-CSN

Status

Withdraw

Latest

CSN 75 6401-1998

CSN 75 6401-1998 history

• 0000 CSN 75 6401-2006
• 1996 CSN 75 6401-1996 Scwage Treatment Plants for more then 500 of population equívaients