An air-humidity indicator and a method of making a humidity-sensitive strip for same
A Standard patent application filed on 26 July 1991 credited to Frederiksen, Erik
;
Olsen, Lars
Details
Application number :
83203
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
An air-humidity indicator and a method of making a humidity-sensitive strip for same