В бронзе 85% меди остольное олово . на Сколко больше меди ,чем олова, в 5 кг бронзы
Please enter comments
Please enter your name.
Please enter the correct email address.
You must agree before submitting.

Answers & Comments


рекомендуемые вопросы

Copyright © 2025 SCHOLAR.TIPS - All rights reserved.