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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS57500477
Kind Code:
A
Application Number:
JP50136881A
Publication Date:
March 18, 1982
Filing Date:
March 27, 1981
Export Citation:
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International Classes:
C01B21/064; C03B37/04; C04B35/622; D01F9/08; D04H1/46; D04H1/56; D04H18/00; D04H18/02; H01M2/16; H01M2/14; (IPC1-7): D04H18/00; D04H1/46; D04H1/42; D01F9/08; C01B21/064



 
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