Document Type and Number:
Japanese Patent JPS4712206
Kind Code:
U
Application Number:
JP1638771U
Publication Date:
October 13, 1972
Filing Date:
March 11, 1971
Export Citation:
International Classes:
F28C1/02; C21D1/74; C21D1/76; C22F1/08; F27D7/00; F27D7/06; (IPC1-7): C21D1/74; C22F1/08