Aluminum etching
United States Patent 2839370

Inventors:
Gardner, Foulke Donald
Kendle, Irgens Oscar
Publication Date:
06/17/1958
View Patent Images:
Assignee:
HANSON VAN WINKLE MUNNING COMP
Primary Class:
Other Classes:
134/29, 252/79.500
International Classes:
C23F1/36; C23F1/10