Dear customers, all orders for hardcopy versions will be sent on 6th January 2026, we wish you a Merry Christmas and a Happy New Year

Log inSign up
LANGUAGE en
Menu
STOREHelp centerContactsDelivery chargesABOUT US News
SEARCH
0
Total price
0 EUR
PRICES include / exclude VAT
>UNE standards>UNE 77231:1997 AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX.
in stockReleased: 1997-04-08
UNE 77231:1997 AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX.

UNE 77231:1997

AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX.

Calidad del aire. Determinación de un índice de humo negro.

Format
Availability
Price and currency
Spanish PDF
Immediate download
Printable
63.80 EUR
Spanish Hardcopy
In stock
63.80 EUR
Standard number:UNE 77231:1997
Pages:14
Released:1997-04-08
Status:Standard
DESCRIPTION

This standard UNE 77231:1997 AMBIENT AIR. DETERMINATION OF A BLACK SMOKE INDEX. is classified in these ICS categories:

  • 13.040.01
Categories:
UNE standards
13.040.01 Air quality in general
Print