By ERIC TUCKER Associated Press WASHINGTON (AP) — The Biden administration on Wednesday accused three U.S. companies of sending to China blueprints and technical drawings for satellite and rocket technology and other defense prototypes. The Commerce Department leveled the allegations as it blocked the three companies from exporting items to foreign countries for 180 days. That punishment, known as a temporary denial order, is regarded as among the most severe civil sanctions available to the department. The companies — Quicksilver Manufacturing Inc., Rapid Cut LLC, and U.S. Prototype Inc. — provide 3-D printing services to customers that include manufacturers of…