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Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5214766
Kind Code:
Y2
Application Number:
JP8011972U
Publication Date:
April 02, 1977
Filing Date:
July 06, 1972
Export Citation:
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International Classes:
B21D31/00; B21J7/16; (IPC1-7): B21J7/16; B21D31/00



 
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