Document Type and Number:
Japanese Patent JPS566214
Kind Code:
B2
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Application Number:
JP12273974A
Publication Date:
February 10, 1981
Filing Date:
October 24, 1974
Export Citation:
International Classes:
H02H9/02; H02H11/00; H02J3/00; H02J3/06
Next Patent: JPH0566215