MNOSZ 20774-1955
Mine elevator leading to a semicircular roofed, grooved tunnel

Standard No.

MNOSZ 20774-1955

Release Date

1955

Published By

HU-MSZT

Latest

MNOSZ 20774-1955

MNOSZ 20774-1955 history

• 1955 MNOSZ 20774-1955 Mine elevator leading to a semicircular roofed, grooved tunnel