Document Type and Number:
Japanese Patent JPH0532984
Kind Code:
B2
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Inventors:
NISHIKAWA NORITAKA
Application Number:
JP23693783A
Publication Date:
May 18, 1993
Filing Date:
December 15, 1983
Export Citation:
Assignee:
SEIKO EPSON CORP
International Classes:
H03H19/00; H02M3/07
Next Patent: REFRIGERATING MACHINE OIL COMPOSITION