PL201908A1 - METHANOMETRIC COMBINATION SIREN - Google Patents
METHANOMETRIC COMBINATION SIRENInfo
- Publication number
- PL201908A1 PL201908A1 PL20190877A PL20190877A PL201908A1 PL 201908 A1 PL201908 A1 PL 201908A1 PL 20190877 A PL20190877 A PL 20190877A PL 20190877 A PL20190877 A PL 20190877A PL 201908 A1 PL201908 A1 PL 201908A1
- Authority
- PL
- Poland
- Prior art keywords
- methanometric
- siren
- combination
- methanometric combination
- combination siren
- Prior art date
Links
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL20190877A PL114847B1 (en) | 1977-11-03 | 1977-11-03 | Methane detector miner signalling device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL20190877A PL114847B1 (en) | 1977-11-03 | 1977-11-03 | Methane detector miner signalling device |
Publications (2)
Publication Number | Publication Date |
---|---|
PL201908A1 true PL201908A1 (en) | 1979-06-04 |
PL114847B1 PL114847B1 (en) | 1981-02-28 |
Family
ID=19985356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PL20190877A PL114847B1 (en) | 1977-11-03 | 1977-11-03 | Methane detector miner signalling device |
Country Status (1)
Country | Link |
---|---|
PL (1) | PL114847B1 (en) |
-
1977
- 1977-11-03 PL PL20190877A patent/PL114847B1/en unknown
Also Published As
Publication number | Publication date |
---|---|
PL114847B1 (en) | 1981-02-28 |
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