KL21-050-250 UV 紫外熔融石英平凸透镜
http://odoo.test.kewlab.falinwa.cn/shop/kl462-kl21-050-250-uv-8093
http://odoo.test.kewlab.falinwa.cn/web/image/product.template/8093/image_1920?unique=77f8935
<p>直径：50.8mm；焦距：250mm</p>
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