00503nam 2200157z- 450 9910690779903321(CKB)5470000002340521(EXLCZ)99547000000234052120230503c1999uuuu -u- -engCeramic coated piston rods for civil worksUS Army Corps of Engineers, Construction Engineering Research Laboratories ;BOOK9910690779903321Ceramic coated piston rods for civil works3107641UNINA