PN BN 6301-03-1965
Man-made products. Using refractometer inspection method to mark the light bending factors of square transparent products

Standard No.

PN BN 6301-03-1965

Release Date

1965

Published By

PL-PKN

Latest

PN BN 6301-03-1965

PN BN 6301-03-1965 history

• 1965 PN BN 6301-03-1965 Man-made products. Using refractometer inspection method to mark the light bending factors of square transparent products

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