00820cam a2200241 4500 0127320504 (hbk.) MAIN QD117.C5 WAL Walker, John Q. Chromatographic systems; maintenance and troubleshooting [by] John Q. Walker, Minor T. Jackson, Jr. [and] James B. Maynard. New York, Academic Press, 1972. ix, 289 p. ill. ; 24 cm. Includes bibliographical references. Chromatographic analysis Equipment and supplies Maintenance and repair. Jackson, Minor T. Maynard, James B. .b10283419 04-08-11 16-09-10 20230120144452.0 NUST BOOKS QD117.C5 WAL 97408 97408 2023-01-20 00:00:00 0 QD117.C5 WAL 92004013976 80.00 2023-01-20 BOOKS 0 LCC 0 1 NFIC 0 MAIN MAIN GEN 2023-01-20 80.00