Title:
【考案の名称】軽量黒板
Document Type and Number:
Japanese Patent JP3040199
Kind Code:
U
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Inventors:
Ryoichi Otake
Application Number:
JP73897U
Publication Date:
August 15, 1997
Filing Date:
February 03, 1997
Export Citation:
Assignee:
Otake Co., Ltd.
International Classes:
(IPC1-7): B43L1/04; G09F7/18; H01F7/02
Attorney, Agent or Firm:
Kawashima Jun
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