CSN 45 1320-1955
Drill deep. Hinge combination of angle steel and casing

Standard No.

CSN 45 1320-1955

Release Date

1955

Published By

CZ-CSN

Status

Withdraw

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CSN 45 1320-1955

CSN 45 1320-1955 history

• 1955 CSN 45 1320-1955 Drill deep. Hinge combination of angle steel and casing