Title:
【発明の名称】知恵の輪
Document Type and Number:
Japanese Patent JP3007624
Kind Code:
B1
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Inventors:
Toshio Nitta
Application Number:
JP34059298A
Publication Date:
February 07, 2000
Filing Date:
November 30, 1998
Export Citation:
Assignee:
Nitta Asaka
International Classes:
A63F9/08; (IPC1-7): A63F9/08
Domestic Patent References:
| JP10137440A | ||||
| JP646784U | ||||
| JP576466U | ||||
| JP5231585U |
Attorney, Agent or Firm:
Ichiro Enomoto