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ZHUHAI, CN
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Patents Grants
last 30 patents
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Patent Grant
Ink cartridge having bellows valve, ink filling method and apparatu...
Patent number
6,929,357
Issue date
Aug 16, 2005
Unicorn Image Products Co. Ltd.
Xiao Qingguo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Ink cartridge having bellows valve, ink filling method and apparatu...
Publication number
20050243147
Publication date
Nov 3, 2005
Unicorn Image Products Co. Ltd.
Xiao Qingguo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Ink cartridge having bellows valve, ink filling method and apparatu...
Publication number
20030128257
Publication date
Jul 10, 2003
Unicorn Image Products Co., Ltd.
Xiao Qingguo
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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last 30 trademarks