CSN 44 6223-1955
Mine ventilation. Rotating flange 90°

Standard No.

CSN 44 6223-1955

Release Date

1955

Published By

CZ-CSN

Status

Withdraw

Latest

CSN 44 6223-1955

CSN 44 6223-1955 history

• 1955 CSN 44 6223-1955 Mine ventilation. Rotating flange 90°