Title:
DISCOLORING CLAY
Document Type and Number:
Japanese Patent JPS58136077
Kind Code:
A
Inventors:
KAWASHIMA SEIJI
Application Number:
JP1802682A
Publication Date:
August 12, 1983
Filing Date:
February 06, 1982
Export Citation:
Assignee:
KAWASHIMA SEIJI
International Classes:
G09B19/10; C01B33/20; C01B33/40; C01B33/44; (IPC1-7): C01B33/20; G09B19/10
Attorney, Agent or Firm:
Naemura Tadashi