KL16-20x20-500 K9 平凹柱面透镜
http://odoo.test.kewlab.falinwa.cn/shop/kl215-kl16-20x20-500-k9-8332
http://odoo.test.kewlab.falinwa.cn/web/image/product.template/8332/image_1920?unique=77f8935
<p>直径：20.0x20.0mm；焦距：-500mm</p>
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