Document Type and Number:
Japanese Patent JPH02101507
Kind Code:
U
Application Number:
JP763189U
Publication Date:
August 13, 1990
Filing Date:
January 27, 1989
Export Citation:
International Classes:
F16K31/06; H01F7/121; H01F7/16; (IPC1-7): H01F7/16; F16K31/06