PL66232B3 - - Google Patents

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Publication number
PL66232B3
PL66232B3 PL139810A PL13981070A PL66232B3 PL 66232 B3 PL66232 B3 PL 66232B3 PL 139810 A PL139810 A PL 139810A PL 13981070 A PL13981070 A PL 13981070A PL 66232 B3 PL66232 B3 PL 66232B3
Authority
PL
Poland
Prior art keywords
filter
air
measuring
pump
carbon monoxide
Prior art date
Application number
PL139810A
Other languages
English (en)
Polish (pl)
Inventor
Bak Eugeniusz
Koszelski Jan
Original Assignee
Glówny Instytut Górnictwa
Filing date
Publication date
Application filed by Glówny Instytut Górnictwa filed Critical Glówny Instytut Górnictwa
Publication of PL66232B3 publication Critical patent/PL66232B3/pl

Links

PL139810A 1970-04-04 PL66232B3 (enExample)

Publications (1)

Publication Number Publication Date
PL66232B3 true PL66232B3 (enExample) 1972-06-30

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