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22203 Air Compression Igniter
22204 Deflagrator
22205 Mechanical and Thermal Energy Interchange Demonstrator
22206 Metal Wire Expansion Demonstrator
22207 solid shrinkage demonstrator
22208 Thermal Conduction Demonstrator
22209 Bimetallic sheet 2
22209 Bimetallic sheet
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Ningbo Zhongqi Education Equipment Co., Ltd.
Tel：0574-6206 1266
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