Masan(redirected from Happo)
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a city and port in South Korea, in Kyongsang Namdo Province. Located on the Korea Strait. Population, 191,000 (1970). Masan has a railroad station and locomotive and railroad car shops. Industry consists of steel casting, textile production, and food processing (wine-making and soya-processing). Masan has a drydock and a hydroelectric power plant. There is also fishing and fish processing.