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Cultural creative product / Cultural creative product

Cultural creative product

A disposable refilling that can be used directly.The product is a direct use of the pen refi, itself to replace the traditional pen refi combined with a field, specifically, relates to an environmental protection disposable direct use of the pen refi vacuum pressing and release valve management system. Used for writing, etc. Appear unable to use or after drop to the ground is not smooth, don't need to replace the cartridge, just rotate removable replacement written, written card buckle structure through the matching of the vacuum pressure and vent valve switch can will continue to use the ink supply, don't lose or change the oil core product,


Chengdu Univerisity of Technology (CDUT)

Chengdu Univerisity of Technology (CDUT)
Chengdu city, China

yupeng cui,
Chengdu Univerisity of Technology (CDUT)

Chengdu Univerisity of Technology (CDUT)

Chengdu Univerisity of Technology (CDUT)

Chengdu Univerisity of Technology (CDUT)