TS 997-1971
CONCRETE POLES OR ELECTRICAL TRANSMISSION AND TRACTION SYSTEMS)

Standard No.

TS 997-1971

Release Date

1971

Published By

TR-TSE

Latest

TS 997-1971

TS 997-1971 history

• 1971 TS 997-1971 CONCRETE POLES OR ELECTRICAL TRANSMISSION AND TRACTION SYSTEMS)