Document Type and Number:
Japanese Patent JPS5420729
Kind Code:
U
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JP3013649 | [Name of device] Magnetic pen |
Application Number:
JP9348177U
Publication Date:
February 09, 1979
Filing Date:
July 14, 1977
Export Citation:
International Classes:
B43K29/00; (IPC1-7): B43K29/00