ชิ้นส่วนต้นแบบระบบส่งกำลังแบบไม่มาตรฐาน ผลิตจากเรซิน OEM SLA พิมพ์ 3 มิติ แบบกำหนดเอง รูปทรงเฟืองวงแหวนไม่เป็นวงกลม ฟันคู่ พื้นผิวสีแดงสด

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JU-WEI 17 Harmonic Drive Equatorial Mount

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