Document Type and Number:
Japanese Patent JPS5046076
Kind Code:
U
Application Number:
JP10036373U
Publication Date:
May 08, 1975
Filing Date:
August 27, 1973
Export Citation:
International Classes:
H04R17/10; B06B1/06; H01L41/00; H04R17/00; (IPC1-7): B06B1/06; H04R17/00