00508cam a22001934a 4500003001000000005001700010008004100027040002500068041000800093044000800101080001100109100002200120245007100142250001200213260003600225650001700261655001900278700001700297AR-SsjUIB20250710155206.0250429s1953 xxu 000 0 eng d aAR-SsjUIBcAR-SsjUIB0 aeng axxu a621.651 aKristal, Frank A.10aPumps :btypes, selection, instalation, operation and maintenance. a2nd ed. aNew York :bMcGraw-Hill,c1953. 7aBombas2lemb 7aLibro2unescot1 aAnnett, F.A.