Document Type and Number:
Japanese Patent JPS50161450
Kind Code:
A
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Application Number:
JP7160074A
Publication Date:
December 27, 1975
Filing Date:
June 21, 1974
Export Citation:
International Classes:
B21D1/00; B21C51/00; B21D1/02; B21D3/02; G01B7/00; G01B7/04; G01B7/28; (IPC1-7): B21D1/02; B21D3/02; G01B7/00