Document Type and Number:
Japanese Patent JPS57168988
Kind Code:
U
Application Number:
JP5454881U
Publication Date:
October 25, 1982
Filing Date:
April 17, 1981
Export Citation:
International Classes:
H02H7/125; H02M1/32; H02M7/04; H02M7/06; H02M7/12; (IPC1-7): H02M1/18; H02H7/125; H02M7/04