Reduced price! View larger

ASHRAE 41.9-2021 Addendum a

M00018580

New product

ASHRAE 41.9-2021 Addendum a Addendum a to Standard 41.9-2021 -- Standard Methods for Refrigerant Mass Flow Measurements Using Caloriemeters (ANSI Approved)

Amendment by ASHRAE, 2023

More details

In stock

$51.60

-57%

$120.00

More info