【摘 要】
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The Young Chang Brand piano isproduced by the Tianjin Young ChangMusical Instruments Company, Ltd.—a joint venture between the Korean YoungChang Musical Instru
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The Young Chang Brand piano isproduced by the Tianjin Young ChangMusical Instruments Company, Ltd.—a joint venture between the Korean YoungChang Musical Instruments ManufacturingCompany and the Tianjin Sanhuan IndustrialCompany. The Korean Young Chang Com
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