CSN 44 6280-1955
Mine ventilation. Sealed rotating flange

Standard No.

CSN 44 6280-1955

Release Date

1955

Published By

CZ-CSN

Status

Withdraw

Latest

CSN 44 6280-1955

CSN 44 6280-1955 history

• 1955 CSN 44 6280-1955 Mine ventilation. Sealed rotating flange