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quartz gas exchange piston
Product Size: 21*7
Galvanized aluminum promises durability
after careful plating and surface treatment
71 inches Package Contents
Hot Air Stirling Engine Model Generator Motor Educational Steam Power Toy quartz gas exchange pistonMetal Bootable Steam Engine Model Retro Stirling Engine Model with Heating Boiler Alcohol Burner Features: . 100% brand new and high quality . Except the base is made of wood, the whole product is made of all metal material, polished and polished, perfect for high end texture, and it is a beautiful art. . The product can be used without receiving excessive debugging. . The key parts are commonly used brass + fine coating materials, which are not worn
