금융기관의 건설회사에 대한 대출금반환채권과 건설회사의 금융기관에 대한 국민주택기금 융자금채권의 상계약정의 효력(무효)
Effect of a commercial agreement between a financial institution's loan repayment claim to a construction company and a construction company's National Housing Fund loan claim to a financial institution (invalid)