CNIPA Patent Data Sub-class A61

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tanky18
Posts: 1
Joined: Wed Apr 14, 2021 6:46 am

CNIPA Patent Data Sub-class A61

Post by tanky18 » Wed Apr 14, 2021 6:52 am

Hi All,

I am seeking advice on retrieving the CNIPA patent data sub-class A61 from 2000-2020 for a study. Anyone with experience to provide the guidance?

thank in advance
tanky18


sonaliverma
Posts: 1
Joined: Thu Aug 19, 2021 10:18 am

Re: CNIPA Patent Data Sub-class A61

Post by sonaliverma » Thu Aug 19, 2021 10:30 am

It will help you understand what patents are and get started with your patent.


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