TY - GEN AU - David Robbins C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1970-01-01 05:01:00 DO - https://doi.org/10.6028/NBS.TN.536 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1970 TI - Disclosures on viscous damped wind vane, nonskid road or runway, regrooved pneumatic tire with removable inserts, devide for radially positioning a rotating wheel, method for fabricating precision waveguide sections, distortion-cancelling loudspeaker sys: ER -