Document Type and Number:
Japanese Patent JPS52150717
Kind Code:
U
Application Number:
JP6062176U
Publication Date:
November 15, 1977
Filing Date:
May 12, 1976
Export Citation:
International Classes:
H02P3/18; H02P21/00; H02P21/22; H02P21/36; H02P23/07; H02P27/02; H02P27/04; (IPC1-7): H02P7/36