patent

3 nyob rau hauv 1 Riam Sharpener

zł 201030232318,5

Ntawv qhia tooj CN 301415884 S

Ntawv qhia hom Grant

Daim ntawv thov tooj zł 201030232318,5

Ntawv qhia hnub Dec 22, 2010

Ua Ntaub Ntawv hnub Jul 6, 2010

Inventors Siping Chen

12

13

Thawj Assignee Ninghai Wenbo Kho vajtse Plastic Hoobkas (Renzhen)

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HAUJ LWM

Daim duab. 1 yog ib tug foundations pom ntawm kuv invention rau ib tug sharpener;

Daim duab. 2 yog ib tug sab saum toj saib thereof;

Daim duab. 3 yog ib tug hauv qab saib thereof;

Daim duab. 4 yog ib tug sab xis pom ntawd, rau sab laug sab ua ib daim iav duab;

Daim duab. 5 yog ib tug pem hauv ntej elevational saib thereof; thiab,

Daim duab. 6 yog ib tug rear elevational saib ntawd.


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