TY - BOOK ID - 134570008 TI - Gage block flatness and parallelism measurement AU - Beers, John S. AU - Tucker, Clyde. AU - United States. PY - 1973 PB - Gaithersburg, MD : U.S. Dept. of Commerce, National Institute of Standards and Technology, DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:134570008 AB - ER -