LIQUID DEVELOPERS FOR DEVELOPING ELECTROSTATIC IMAGES
United States Patent 3528097
Inventors:
Otsuka, Tetsuro
Ota, Isao
Ogo, Shinichi
Publication Date:
09/08/1970
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G03G9/135; G03G9/12; G03G9/06