1
/ 6
USD 12.68
USD 23.05
45%
เครื่องกำเนิด Schumann หลายรูปคลื่นนำเสนอช่วงความถี่ 0.1Hz ถึง 30000Hz และเอาต์พุตสัญญาณที่เสถียรสำหรับวิทยาศาสตร์
4.9
|
280 sold
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