CSN 19 8281-1973
Spools for lb mm and 35 mm íilms and microfilm reading apparatus

Standard No.

CSN 19 8281-1973

Release Date

1973

Published By

CZ-CSN

Status

Withdraw

Latest

CSN 19 8281-1973

CSN 19 8281-1973 history

• 1973 CSN 19 8281-1973 Spools for lb mm and 35 mm íilms and microfilm reading apparatus