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Document Type and Number:
Japanese Patent JPH0421610
Kind Code:
B2
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Inventors:
SHIMIZU KAORU
NAKAMURA SHOJI
Application Number:
JP2630984A
Publication Date:
April 13, 1992
Filing Date:
February 15, 1984
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
C03B11/08



 
Next Patent: JPH0421611