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Document Type and Number:
Japanese Patent JPS5617590
Kind Code:
B2
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Application Number:
JP5971072A
Publication Date:
April 23, 1981
Filing Date:
June 15, 1972
Export Citation:
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International Classes:
C04B7/44; B01J6/00; C04B7/36; F27B7/20; F27D13/00; F27D17/00



 
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