CS180745B1 - Radio frequency helmet station for mines and tunnels - Google Patents

Radio frequency helmet station for mines and tunnels

Info

Publication number
CS180745B1
CS180745B1 CS196874A CS196874A CS180745B1 CS 180745 B1 CS180745 B1 CS 180745B1 CS 196874 A CS196874 A CS 196874A CS 196874 A CS196874 A CS 196874A CS 180745 B1 CS180745 B1 CS 180745B1
Authority
CS
Czechoslovakia
Prior art keywords
mines
tunnels
station
radio frequency
frequency helmet
Prior art date
Application number
CS196874A
Other languages
English (en)
Inventor
Jarmila Novakova
Jaroslav Bendik
Theodor Lehman
Vaclav Salom
Oskar Vacek
Original Assignee
Jarmila Novakova
Jaroslav Bendik
Theodor Lehman
Vaclav Salom
Oskar Vacek
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 Jarmila Novakova, Jaroslav Bendik, Theodor Lehman, Vaclav Salom, Oskar Vacek filed Critical Jarmila Novakova
Priority to CS196874A priority Critical patent/CS180745B1/cs
Publication of CS180745B1 publication Critical patent/CS180745B1/cs

Links

CS196874A 1974-03-19 1974-03-19 Radio frequency helmet station for mines and tunnels CS180745B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CS196874A CS180745B1 (en) 1974-03-19 1974-03-19 Radio frequency helmet station for mines and tunnels

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CS196874A CS180745B1 (en) 1974-03-19 1974-03-19 Radio frequency helmet station for mines and tunnels

Publications (1)

Publication Number Publication Date
CS180745B1 true CS180745B1 (en) 1978-01-31

Family

ID=5355415

Family Applications (1)

Application Number Title Priority Date Filing Date
CS196874A CS180745B1 (en) 1974-03-19 1974-03-19 Radio frequency helmet station for mines and tunnels

Country Status (1)

Country Link
CS (1) CS180745B1 (cs)

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