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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS491409
Kind Code:
A
Application Number:
JP4087372A
Publication Date:
January 08, 1974
Filing Date:
April 25, 1972
Export Citation:
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International Classes:
B22F3/14; B21J13/02; C04B35/581; C04B35/80



 
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