CS188671B1 - Spark-safe signalling device - Google Patents

Spark-safe signalling device

Info

Publication number
CS188671B1
CS188671B1 CS206477A CS206477A CS188671B1 CS 188671 B1 CS188671 B1 CS 188671B1 CS 206477 A CS206477 A CS 206477A CS 206477 A CS206477 A CS 206477A CS 188671 B1 CS188671 B1 CS 188671B1
Authority
CS
Czechoslovakia
Prior art keywords
spark
signalling device
safe
safe signalling
signalling
Prior art date
Application number
CS206477A
Other languages
English (en)
Inventor
Reinhard Skazik
Zdenek Kuchta
Vladimir Tyl
Original Assignee
Reinhard Skazik
Zdenek Kuchta
Vladimir Tyl
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 Reinhard Skazik, Zdenek Kuchta, Vladimir Tyl filed Critical Reinhard Skazik
Priority to CS206477A priority Critical patent/CS188671B1/cs
Publication of CS188671B1 publication Critical patent/CS188671B1/cs

Links

CS206477A 1977-03-29 1977-03-29 Spark-safe signalling device CS188671B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS206477A CS188671B1 (en) 1977-03-29 1977-03-29 Spark-safe signalling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS206477A CS188671B1 (en) 1977-03-29 1977-03-29 Spark-safe signalling device

Publications (1)

Publication Number Publication Date
CS188671B1 true CS188671B1 (en) 1979-03-30

Family

ID=5356652

Family Applications (1)

Application Number Title Priority Date Filing Date
CS206477A CS188671B1 (en) 1977-03-29 1977-03-29 Spark-safe signalling device

Country Status (1)

Country Link
CS (1) CS188671B1 (cs)

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