PL382260A1 - Filtering semi-mask and production method of filtering semi-mask - Google Patents

Filtering semi-mask and production method of filtering semi-mask

Info

Publication number
PL382260A1
PL382260A1 PL382260A PL38226007A PL382260A1 PL 382260 A1 PL382260 A1 PL 382260A1 PL 382260 A PL382260 A PL 382260A PL 38226007 A PL38226007 A PL 38226007A PL 382260 A1 PL382260 A1 PL 382260A1
Authority
PL
Poland
Prior art keywords
mask
filtering semi
production method
semi
filtering
Prior art date
Application number
PL382260A
Other languages
Polish (pl)
Inventor
Włodzimierz Wałęsiński
Ryszard Jaszczyński
Piotr Dobrowolski
Henryk Ślawski
Original Assignee
Polfilter Zakład Pracy Chronionej Ryszard Jaszczyński Włodzimierz Wałęsiński Spółka Jawna
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 Polfilter Zakład Pracy Chronionej Ryszard Jaszczyński Włodzimierz Wałęsiński Spółka Jawna filed Critical Polfilter Zakład Pracy Chronionej Ryszard Jaszczyński Włodzimierz Wałęsiński Spółka Jawna
Priority to PL382260A priority Critical patent/PL382260A1/en
Publication of PL382260A1 publication Critical patent/PL382260A1/en

Links

PL382260A 2007-04-24 2007-04-24 Filtering semi-mask and production method of filtering semi-mask PL382260A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL382260A PL382260A1 (en) 2007-04-24 2007-04-24 Filtering semi-mask and production method of filtering semi-mask

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL382260A PL382260A1 (en) 2007-04-24 2007-04-24 Filtering semi-mask and production method of filtering semi-mask

Publications (1)

Publication Number Publication Date
PL382260A1 true PL382260A1 (en) 2008-10-27

Family

ID=43036412

Family Applications (1)

Application Number Title Priority Date Filing Date
PL382260A PL382260A1 (en) 2007-04-24 2007-04-24 Filtering semi-mask and production method of filtering semi-mask

Country Status (1)

Country Link
PL (1) PL382260A1 (en)

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Legal Events

Date Code Title Description
VOID Decisions declaring the decisions on the grant of the patents lapsed