ОХ320 What substances are called macromolecular? The

If the total amount of your purchases from the seller nikole more than:
- 5 $ the discount is 5%

Sold 0
Refunds 0
Good feedbacks 0
Bad feedbacks 0

320. What substances are called macromolecular? The basic methods for their preparation. Bring circuit condensation polymerization reactions and specific examples.