Document Type and Number:
Japanese Patent JPS55148731
Kind Code:
U
Application Number:
JP4820479U
Publication Date:
October 25, 1980
Filing Date:
April 13, 1979
Export Citation:
International Classes:
A61H33/02; A61H23/00; A61H23/04; A61H37/00; (IPC1-7): A61H23/04; A61H37/00