TY - BOOK ID - 125759929 TI - Directory of commercial and college laboratories : issued August 30, 1947 PY - 1947 PB - Washington : U.S. Government Printing Office, DB - UniCat KW - Laboratories KW - Testing laboratories KW - Laboratories. KW - Laboratories. KW - Testing laboratories. UR - https://www.unicat.be/uniCat?func=search&query=sysid:125759929 AB - ER -