Document Type and Number:
Japanese Patent JPS4819639
Kind Code:
U
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Application Number:
JP6272271U
Publication Date:
March 06, 1973
Filing Date:
July 15, 1971
Export Citation:
International Classes:
B21D3/02; B21D3/00; B60M1/28; (IPC1-7): B21D3/00; B60M1/28