PN P22117-1992
Leathers. Determination of nitrogen content ammonium salts and "hide substance"

Standard No.

PN P22117-1992

Release Date

1992

Published By

PL-PKN

Latest

PN P22117-1992

PN P22117-1992 history

• 1992 PN P22117-1992 Leathers. Determination of nitrogen content ammonium salts and "hide substance"