AT204987B - Bolzen zur Verankerung in Grubenräumen - Google Patents

Bolzen zur Verankerung in Grubenräumen

Info

Publication number
AT204987B
AT204987B AT4257A AT4257A AT204987B AT 204987 B AT204987 B AT 204987B AT 4257 A AT4257 A AT 4257A AT 4257 A AT4257 A AT 4257A AT 204987 B AT204987 B AT 204987B
Authority
AT
Austria
Prior art keywords
anchoring
bolts
rooms
pit
pit rooms
Prior art date
Application number
AT4257A
Other languages
English (en)
Inventor
Sven Hugo Strand
Original Assignee
Sven Hugo Strand
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 Sven Hugo Strand filed Critical Sven Hugo Strand
Application granted granted Critical
Publication of AT204987B publication Critical patent/AT204987B/de

Links

AT4257A 1956-01-18 1957-01-03 Bolzen zur Verankerung in Grubenräumen AT204987B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE204987X 1956-01-18

Publications (1)

Publication Number Publication Date
AT204987B true AT204987B (de) 1959-08-25

Family

ID=32173731

Family Applications (1)

Application Number Title Priority Date Filing Date
AT4257A AT204987B (de) 1956-01-18 1957-01-03 Bolzen zur Verankerung in Grubenräumen

Country Status (1)

Country Link
AT (1) AT204987B (de)

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