Document Type and Number:
Japanese Patent JPS5429740
Kind Code:
U
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JP3034889 | [Name of invention] Pressurized ink ballpoint pen |
JP2004130652 | BALL-POINT PEN |
Application Number:
JP10270377U
Publication Date:
February 27, 1979
Filing Date:
July 29, 1977
Export Citation:
International Classes:
B43K7/03; B43K7/00; (IPC1-7): B43K7/00