Convex lenses are a type of lens that is curved outwardly, giving the appearance of a bulging center. They are also known as converging lenses because they cause light rays to converge or come
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Best Gifts International Trading Co., Limited: We're well-known as one of the leading pen, thermos, water cup, scarf, hair dryer manufacturers and suppliers in China. If you're going to buy high
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CAS:209216-23-9
MF: C12H15N5O3·H2O
MW:295.3
Package: 1kg/tin;25kg/drum
Origin: China
Supply Ability: 1ton per month
Sample Available: Yes
Shelf Life: Two years
Payment: T/T, LC or DA
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Opos (Xiamen) Electronic Technology Co., Ltd: Welcome to buy or wholesale 1 inch thermal printer mechanism, 4 inch thermal printer mechanism, 2 inch thermal printer mechanism, 3 inch thermal printer
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Shanghai Zhenyin Wood Industry Co., Ltd.: We're well-known as one of the leading veneer, plywood, lumber, logs, veneer sheets manufacturers and suppliers in China. If you're going to wholesale bulk
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Wuxi Chinsor Technology Co.,Ltd.: We're well-known as one of the leading chamber body, metal parts, lift assy, slit valve door, gas box suppliers in China. We warmly welcome you to buy high quality
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Shenzhen Razlon Technology Co., Ltd: Shenzhen RAZLON technology found in Shenzhen China is a professional RFID smart card/tag manufacturer to provide PVC card products and service for national and
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Le chlorure de benzalkonium, aussi connu sous le nom de chlorure d'alkyldiméthylbenzylammonium et ADBAC, est un mélange de chlorures d'alkylbenzyldiméthylammonium avec des chaînes carbonées de longueur variable [2].