Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D23/00—Control of temperature
G05D23/19—Control of temperature characterised by the use of electric means
G05D23/275—Control of temperature characterised by the use of electric means with sensing element expanding, contracting, or fusing in response to changes of temperature
Verfahren und Anlage zum Regenerieren einer zum Ätzen von Kupfer- und Kupferlegierungen, insbesondere kupferkaschierten Leiterplatten, geeigneten Ätzlösung, sowie Meßeinrichtung dieser Anlage