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N117 Proton exchange membrane Nafion117 Perfluorosulfonic acid ion membrane 3*3cm For fuel cell electrolysis hydrogen production

N117 Proton exchange membrane Nafion117 Perfluorosulfonic acid ion membrane 3*3cm For fuel cell electrolysis hydrogen production

(5.0)
319,744 ₫
In Stock
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Giá rẻ và giảm giá N117 Proton exchange membrane Nafion117 Perfluorosulfonic acid ion membrane 3*3cm For fuel cell electrolysis hydrogen production Bán buôn. Mua trực tiếp từ người bán Wcjwdxhn Store. Tận hưởng ✓ Vận chuyển miễn phí trên toàn thế giới! ✓ Bảo vệ người mua trong 90 ngày. ✓ Dễ dàng trở lại. ✓ Đảm bảo hoàn lại tiền.

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