PL322429A1 - Method of making filtering and absorbing half-masks - Google Patents

Method of making filtering and absorbing half-masks

Info

Publication number
PL322429A1
PL322429A1 PL32242997A PL32242997A PL322429A1 PL 322429 A1 PL322429 A1 PL 322429A1 PL 32242997 A PL32242997 A PL 32242997A PL 32242997 A PL32242997 A PL 32242997A PL 322429 A1 PL322429 A1 PL 322429A1
Authority
PL
Poland
Prior art keywords
masks
making filtering
absorbing half
absorbing
filtering
Prior art date
Application number
PL32242997A
Inventor
Krystyna Zdybiewska
Maria Norman-Wojcik
Jolanta Sroda
Katarzyna Popielawska
Henryk Skrzypczyk
Rudolf Miszok
Bernard Witas
Zygmunt Krok
Original Assignee
Zaklady Gorniczo Hutnicze Orze
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 Zaklady Gorniczo Hutnicze Orze filed Critical Zaklady Gorniczo Hutnicze Orze
Priority to PL32242997A priority Critical patent/PL322429A1/en
Publication of PL322429A1 publication Critical patent/PL322429A1/en

Links

PL32242997A 1997-10-02 1997-10-02 Method of making filtering and absorbing half-masks PL322429A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL32242997A PL322429A1 (en) 1997-10-02 1997-10-02 Method of making filtering and absorbing half-masks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL32242997A PL322429A1 (en) 1997-10-02 1997-10-02 Method of making filtering and absorbing half-masks

Publications (1)

Publication Number Publication Date
PL322429A1 true PL322429A1 (en) 1999-04-12

Family

ID=20070746

Family Applications (1)

Application Number Title Priority Date Filing Date
PL32242997A PL322429A1 (en) 1997-10-02 1997-10-02 Method of making filtering and absorbing half-masks

Country Status (1)

Country Link
PL (1) PL322429A1 (en)

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