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Document Type and Number:
Japanese Patent JPS6321519
Kind Code:
U
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Application Number:
JP11434486U
Publication Date:
February 12, 1988
Filing Date:
July 25, 1986
Export Citation:
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International Classes:
B21D28/14; B23D31/00; B23D31/04; (IPC1-7): B23D31/04; B21D28/14; B23D31/00



 
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