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{"sheet":"Result","index":0,"n_rows":10,"n_cols":2,"rows_kept":10,"cut":false,"hidden":false,"merged":[]}
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[]
["공정","필요 수량"]
["타발1",500]
["원단",1000]
["원료",10000]
["타발2",300]
["원단",1200]
["원료",12000]

{"sheet":"BOM","index":1,"n_rows":6,"n_cols":3,"rows_kept":6,"cut":false,"hidden":false,"merged":[]}
["제품 (A열)","공정/하위 제품 (B열)","소요량 비율 (C열)"]
["제품A","타발1",5]
["제품A","타발2",3]
["타발1","원단",2]
["타발2","원단",4]
["원단","원료",10]