Document Type and Number:
Japanese Patent JPS4951944
Kind Code:
U
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Application Number:
JP9702772U
Publication Date:
May 08, 1974
Filing Date:
August 19, 1972
Export Citation:
International Classes:
B21D53/12; B21D53/10; F16C33/48; F16C33/54; (IPC1-7): F16C33/54