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Document Type and Number:
Japanese Patent JPS529889
Kind Code:
Y2
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Application Number:
JP2194273U
Publication Date:
March 02, 1977
Filing Date:
February 20, 1973
Export Citation:
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International Classes:
B21C37/15; A47K3/02; B21D31/04; B21D51/18; (IPC1-7): B21D51/18; A47K3/02; B21C37/15; B21D31/04



 
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