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LDR00000nam k2200205 c 4500
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008130816s ulk 000a eng
245 ▼a 용접기술강습회.
260 ▼b 대한용접·접합학회.
8564 ▼u http://www.dbpia.co.kr/Journal/IssueList/PLCT00000298
991 ▼a 전자저널