Document Type and Number:
Japanese Patent JPS56506
Kind Code:
B2
Application Number:
JP4221975A
Publication Date:
January 08, 1981
Filing Date:
April 09, 1975
Export Citation:
International Classes:
F01L1/04; B21D39/04; B21D39/06; B23P11/02; C23C8/32; F02B77/00; F16H53/02
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