Document Type and Number:
Japanese Patent JPS5427389
Kind Code:
Y2
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Application Number:
JP12509276U
Publication Date:
September 06, 1979
Filing Date:
September 16, 1976
Export Citation:
International Classes:
B21B25/04; B21B19/00; B21B25/00; B21B25/06; (IPC1-7): B21B25/06