Document Type and Number:
Japanese Patent JPS4827758
Kind Code:
U
Application Number:
JP7041671U
Publication Date:
April 04, 1973
Filing Date:
August 09, 1971
Export Citation:
International Classes:
C25D7/00; C25D5/02; H01L21/60; H01L23/48; H01L23/50; (IPC1-7): H01L23/48; C25D5/02