72372703
Oct 7, 1970
Oct 26, 1971
PRODUCTION AND LABORATORY EQUIPMENT FOR THE CHEMICAL MACHINING OF WORK PIECES AND THE MAKING OF PRINTED CIRCUITS-NAMELY, CONVEYORIZED ETCHERS; BENCH-TYPE ETCHERS; APPARATUS FOR RINSING WORK PIECES; NEUTRALIZING APPARATUS; STRIPPING APPARATUS; BRIGHTENING APPARATUS; ETCHANT REGENERATION APPARATUS; BATCH ETCHERS; SPRAY ETCHERS; DOUBLESIDED SPRAY ETCHERS; SINGLE-SIDED SPRAY ETCHERS; PRINTED CIRCUIT ETCHERS; RESIST REMOVERS; POST-CLEANING APPARATUS; DRIERS FOR ETCHING EQUIPMENT; DEVELOPERS; RESIST STRIPPERS; COMBINATION SPRAY RINSE AND RESIST STRIPPING APPARATUS; RE-EXPOSURE APPARATUS; BRUSH-RESIST REMOVERS; RINSING APPARATUS; COMBINATION BRIGHTENER, RINSE AND COATING APPARATUS; CONTROL APPARATUS; AND DELIVERY AND CIRCULATION PUMPS, AND PARTS AND PIECES FOR SUCH GOODS
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