AT116434B - Aus Kunststeinen bestehender Tunnel- oder Bergwerksausbau. - Google Patents

Aus Kunststeinen bestehender Tunnel- oder Bergwerksausbau.

Info

Publication number
AT116434B
AT116434B AT116434DA AT116434B AT 116434 B AT116434 B AT 116434B AT 116434D A AT116434D A AT 116434DA AT 116434 B AT116434 B AT 116434B
Authority
AT
Austria
Prior art keywords
tunnel
artificial stone
extension made
mine
mine extension
Prior art date
Application number
Other languages
English (en)
Inventor
Hanns Schaefer
Original Assignee
Hanns Schaefer
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 Hanns Schaefer filed Critical Hanns Schaefer
Application granted granted Critical
Publication of AT116434B publication Critical patent/AT116434B/de

Links

AT116434D 1925-08-11 1926-08-05 Aus Kunststeinen bestehender Tunnel- oder Bergwerksausbau. AT116434B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE116434X 1925-08-11

Publications (1)

Publication Number Publication Date
AT116434B true AT116434B (de) 1930-02-25

Family

ID=5654698

Family Applications (1)

Application Number Title Priority Date Filing Date
AT116434D AT116434B (de) 1925-08-11 1926-08-05 Aus Kunststeinen bestehender Tunnel- oder Bergwerksausbau.

Country Status (1)

Country Link
AT (1) AT116434B (de)

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