Document Type and Number:
Japanese Patent JPS5531330
Kind Code:
Y2
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Application Number:
JP1523775U
Publication Date:
July 25, 1980
Filing Date:
February 01, 1975
Export Citation:
International Classes:
H01F7/16; F16K31/06; F16K31/11; (IPC1-7): F16K31/11; H01F7/16