Document Type and Number:
Japanese Patent JPS57170820
Kind Code:
U
More Like This:
Application Number:
JP5516381U
Publication Date:
October 27, 1982
Filing Date:
April 16, 1981
Export Citation:
International Classes:
B21C47/14; B21C47/24; B65H54/02; B65H54/76; (IPC1-7): B21C47/14; B65H54/02
Domestic Patent References:
JPS472108A | ||||
JPS497469A | 1974-01-23 |