Document Type and Number:
Japanese Patent JPS5321132
Kind Code:
U
Application Number:
JP10233776U
Publication Date:
February 22, 1978
Filing Date:
July 31, 1976
Export Citation:
International Classes:
B21C1/14; (IPC1-7): B21C1/14
Domestic Patent References:
JPS4418855Y1 | 1969-08-14 |
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