Surface treatment method and composition for zinc coated steel sheet
A Standard patent application filed on 25 January 1991 credited to Ishii, Hitoshi
;
Shima, Shizuo
;
Miyawaki, Toshi
;
Mori, Kazuhiko
Details
Application number :
73129
Application type :
Standard
Application status :
LAPSED
Under opposition :
No
Proceeding type :
Invention title :
Surface treatment method and composition for zinc coated steel sheet