DUFF & PHELPS UTILITY & CORPORATE BOND TRUST INC
Filing Type: N-CSR
Filing Date: 20120307
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DUFF & PHELPS UTILITY AND CORPORATE BOND TRUST, INC.
N-CSR
CERTIFICATIONS PURSUANT TO SECTION 302
EX-99.CERT
CERTIFICATIONS PURSUANT TO SECTION 906
EX-99.906 CERT