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PL372672A1 - Mathematical keyboard - Google Patents

Mathematical keyboard

Info

Publication number
PL372672A1
PL372672A1 PL372672A PL37267205A PL372672A1 PL 372672 A1 PL372672 A1 PL 372672A1 PL 372672 A PL372672 A PL 372672A PL 37267205 A PL37267205 A PL 37267205A PL 372672 A1 PL372672 A1 PL 372672A1
Authority
PL
Poland
Prior art keywords
mathematical
keyboard
mathematical keyboard
Prior art date
Application number
PL372672A
Other languages
Polish (pl)
Inventor
Krzysztof Sawicki
Original Assignee
Krzysztof Sawicki
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Krzysztof Sawicki filed Critical Krzysztof Sawicki
Priority to PL372672A priority Critical patent/PL372672A1/en
Publication of PL372672A1 publication Critical patent/PL372672A1/en

Links

PL372672A 2005-02-09 2005-02-09 Mathematical keyboard PL372672A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL372672A PL372672A1 (en) 2005-02-09 2005-02-09 Mathematical keyboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL372672A PL372672A1 (en) 2005-02-09 2005-02-09 Mathematical keyboard

Publications (1)

Publication Number Publication Date
PL372672A1 true PL372672A1 (en) 2006-08-21

Family

ID=39592225

Family Applications (1)

Application Number Title Priority Date Filing Date
PL372672A PL372672A1 (en) 2005-02-09 2005-02-09 Mathematical keyboard

Country Status (1)

Country Link
PL (1) PL372672A1 (en)

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Legal Events

Date Code Title Description
REFS Decisions on refusal to grant patents (taken after the publication of the particulars of the applications)