AT217408B - Device for the introduction of ring-shaped roadworks in underground operations - Google Patents

Device for the introduction of ring-shaped roadworks in underground operations

Info

Publication number
AT217408B
AT217408B AT123760A AT123760A AT217408B AT 217408 B AT217408 B AT 217408B AT 123760 A AT123760 A AT 123760A AT 123760 A AT123760 A AT 123760A AT 217408 B AT217408 B AT 217408B
Authority
AT
Austria
Prior art keywords
roadworks
introduction
ring
shaped
underground operations
Prior art date
Application number
AT123760A
Other languages
German (de)
Original Assignee
Schwarz Kg Hermann
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 Schwarz Kg Hermann filed Critical Schwarz Kg Hermann
Application granted granted Critical
Publication of AT217408B publication Critical patent/AT217408B/en

Links

AT123760A 1959-02-21 1960-02-17 Device for the introduction of ring-shaped roadworks in underground operations AT217408B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE217408T 1959-02-21

Publications (1)

Publication Number Publication Date
AT217408B true AT217408B (en) 1961-10-10

Family

ID=29592670

Family Applications (1)

Application Number Title Priority Date Filing Date
AT123760A AT217408B (en) 1959-02-21 1960-02-17 Device for the introduction of ring-shaped roadworks in underground operations

Country Status (1)

Country Link
AT (1) AT217408B (en)

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