C51000,ASTMB139,B139,C52400,C53400,C54400,인청동,인청동압연
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인청동,인청동부시,인청동원심주조,CAC502B,CAC502A
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인청동,인청동연속주조,인청동주물,인청동부시,PBC계열
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C50100,C50200,C51000,C51900,C90700,C51910,인청동
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C5191,C51910,C5191 1/2H, 인청동, 인청동인발
2023.03.10 by 문짱
인청동,CAC502,CAC502A,CAC502B,CAC503B,C90700,C91000,C5191
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