Baked colored pencil lead and process for producing the same
A Standard patent application filed on 24 December 1999 credited to Kitazawa, Katsunori
;
Kanba, Noboru
;
Hoshiba, Masaaki
Details
Application number :
17997
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Baked colored pencil lead and process for producing the same