PN B40040-1970
Heating and ventilation Steel ribbed heating pipes for air boilers

Standard No.

PN B40040-1970

Release Date

1970

Published By

PL-PKN

Latest

PN B40040-1970

PN B40040-1970 history

• 1970 PN B40040-1970 Heating and ventilation Steel ribbed heating pipes for air boilers