Document Type and Number:
Japanese Patent JPH03126246
Kind Code:
U
Application Number:
JP3570090U
Publication Date:
December 19, 1991
Filing Date:
April 04, 1990
Export Citation:
International Classes:
E04C5/06; B21D7/06; B21D11/12; B21F1/00; (IPC1-7): B21F1/00; B21D7/06; B21D11/12; E04C5/06