01298aam 2200397I 450 991071000290332120151118015330.0GOVPUB-C13-87abb67ac4f0e6fc5d5a08f8494344dd(CKB)5470000002476253(OCoLC)929883451(EXLCZ)99547000000247625320151118d1977 ua 0engrdacontentrdamediardacarrierPower lawn mowers time-to-blade access /A. M. Ramey; J. J. PersenkyGaithersburg, MD :U.S. Dept. of Commerce, National Institute of Standards and Technology,1977.1 online resourceNBSIR ;77-12991977.Contributed record: Metadata reviewed, not verified. Some fields updated by batch processes.Title from PDF title page.Includes bibliographical references.Power lawn mowers Ramey A. M1392920Persenky J. J1392921Ramey A. M1392920United States.National Bureau of Standards.NBSNBSGPOBOOK9910710002903321Power lawn mowers3448459UNINA