ANSI PH4.188-1980
Photographic Grade Ethylenediamine H2N.CH2. CH2.NH2

Standard No.

ANSI PH4.188-1980

Release Date

1980

Published By

American National Standards Institute （ANSI)

Latest

ANSI PH4.188-1980

ANSI PH4.188-1980 history

• 1980 ANSI PH4.188-1980 Photographic Grade Ethylenediamine H2N.CH2. CH2.NH2