Improved vented vial stopper for processing freeze-dried products
A Standard patent application filed on 22 August 1996 credited to George, Nelson A
;
Zingle, Ralph D
Details
Application number :
71047
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Improved vented vial stopper for processing freeze-dried products