Document Type and Number:
Japanese Patent JPS57131285
Kind Code:
U
Application Number:
JP1751981U
Publication Date:
August 16, 1982
Filing Date:
February 10, 1981
Export Citation:
International Classes:
G21C19/02; B25J11/00; F16L55/10; G21C19/19; (IPC1-7): B25J11/00; G21C19/19