Document Type and Number:
Japanese Patent JPH0137674
Kind Code:
Y2
More Like This:
JP3236351 | Ball classifier |
Application Number:
JP2958984U
Publication Date:
November 13, 1989
Filing Date:
March 01, 1984
Export Citation:
International Classes:
A63H33/00; G09B19/10; (IPC1-7): A63H33/00
Next Patent: JPH0137675