Document Type and Number:
Japanese Patent JPS4722240
Kind Code:
U
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Application Number:
JP2365271U
Publication Date:
November 13, 1972
Filing Date:
April 02, 1971
Export Citation:
International Classes:
C03B9/32; C03B9/02; C03B9/34; C03B9/347; (IPC1-7): C03B9/02