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200*200 중고빔, 400*200294*200 http://hapsteel.co.kr https://play.google.com/store/apps/details?id=appinventor.ai_hapsteel.qw https://www.youtube.com/channel/UCEQuQ00G1AMuDgxRhndpRAQ
중고빔,298*201,단중 65.4kg