Full Fall-of-Potential Explained

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AEMC Instruments

AEMC Instruments

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سلام. آیا این نوع دستگاه برای پیدا کردن قطعات طلا و نقره و حفره مناسب هست ،دقت چند درصد ، کمترین میزان طلا چقدر باید باشد ، اگر طلا در ظرف سفالی یا سنگی باشد ،می‌تواند تشخیص دهد ، ممنون
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