Reference book of precious metals content in products, equipment and radio details

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The content of precious metals in Electro egafon

Product name Gold (Au), g Silver (Ag), g Platinum (Pt), g Palladium (Pd), g
5ПЭМ-1 0,016 0,125 0 0
ЭМ-12 0,0522 0,26973 0 0,0115