New type of easy-to-use electronic calculator
A Standard patent application filed on 26 February 1997 credited to Wang, Guihua ; Chen, Ying ; Wang, Lei ; Wang, Tao

Details

Application number :

18661  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

New type of easy-to-use electronic calculator  

Inventor :

Wang, Guihua ; Chen, Ying ; Wang, Lei ; Wang, Tao  

Agent name :

 

Address for service :

 

Filing date :

26 February 1997  

Associated companies :

 

Applicant name :

Wang, Guihua  

Applicant address :

 

Old name :

 

Original Source :

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