AUTOCAD CUSTOMER RESEARCH 51113 SWEEPSTAKES OFFICIAL RULES   NO PURCHASE OR PAYMENT OF ANY KIND IS NECESSARY TO ENTER OR WIN THIS SWEEPSTAKES ELIGIBILITY:  The “AutoCAD Customer Research 51113” Sweepstakes (the “Sweepstakes”) is open only to legal residents of the fifty (50) United States (including the District of Columbia), who are eighteen (18) years of … Read more AUTOCAD CUSTOMER RESEARCH 51113 SWEEPSTAKES (US)