Thanks & Regards
J.Gerald Jayakumar
0091-9344954677
D4 Films are Extra Fine grain Film with Very High Contrast associated with High Cost and more exposure Time.D7 Films are Fine grain Film with High Contrast and High Speed.Thanks & Regards
J.Gerald Jayakumar
0091-9344954677
Dear Expects--how to classify the d4 and d7 film , tell the difference between two films.Thanks and RegardsBaskar P
https://materials-welding.blogspot.com/
https://www.linkedin.com/groups/122787
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