K31/K29 Sintered Bronze TB 270° 63.9?

https://www.amtpowersystems.com/shop/2812185-k31-k29-sintered-bronze-tb-270adeg-63-9-20380 https://www.amtpowersystems.com/web/image/product.template/20380/image_1920?unique=d065c7f

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