PL294254A1 - Method of making air filtering semi-masks - Google Patents

Method of making air filtering semi-masks

Info

Publication number
PL294254A1
PL294254A1 PL29425492A PL29425492A PL294254A1 PL 294254 A1 PL294254 A1 PL 294254A1 PL 29425492 A PL29425492 A PL 29425492A PL 29425492 A PL29425492 A PL 29425492A PL 294254 A1 PL294254 A1 PL 294254A1
Authority
PL
Poland
Prior art keywords
masks
air filtering
making air
filtering semi
semi
Prior art date
Application number
PL29425492A
Other versions
PL168156B1 (en
Inventor
Antoni Golaszewski
Andrzej Bernady
Bronislaw Bajer
Original Assignee
Emes Mining Service Sp Z Oo
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 Emes Mining Service Sp Z Oo filed Critical Emes Mining Service Sp Z Oo
Priority to PL29425492A priority Critical patent/PL168156B1/en
Publication of PL294254A1 publication Critical patent/PL294254A1/en
Publication of PL168156B1 publication Critical patent/PL168156B1/en

Links

PL29425492A 1992-04-14 1992-04-14 Method of making air filtering semi-masks PL168156B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL29425492A PL168156B1 (en) 1992-04-14 1992-04-14 Method of making air filtering semi-masks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL29425492A PL168156B1 (en) 1992-04-14 1992-04-14 Method of making air filtering semi-masks

Publications (2)

Publication Number Publication Date
PL294254A1 true PL294254A1 (en) 1993-10-18
PL168156B1 PL168156B1 (en) 1996-01-31

Family

ID=20057369

Family Applications (1)

Application Number Title Priority Date Filing Date
PL29425492A PL168156B1 (en) 1992-04-14 1992-04-14 Method of making air filtering semi-masks

Country Status (1)

Country Link
PL (1) PL168156B1 (en)

Also Published As

Publication number Publication date
PL168156B1 (en) 1996-01-31

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