Title:
【考案の名称】印刷物による応答装置
Document Type and Number:
Japanese Patent JPS5859070
Kind Code:
U
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Inventors:
Takamasa Ito
Application Number:
JP15516681U
Publication Date:
April 21, 1983
Filing Date:
October 19, 1981
Export Citation:
International Classes:
G09B7/02; B42D15/02; B42D15/10; (IPC1-7): G09B7/02; B42D15/02
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