Document Type and Number:
Japanese Patent JPS5237046
Kind Code:
Y2
Application Number:
JP8440672U
Publication Date:
August 23, 1977
Filing Date:
July 19, 1972
Export Citation:
International Classes:
B61J3/04; B61B9/00; B61H9/00; (IPC1-7): B61J3/04; B61B9/00