BE577291A - Articulated support frame for underground excavations. - Google Patents

Articulated support frame for underground excavations.

Info

Publication number
BE577291A
BE577291A BE577291A BE577291A BE577291A BE 577291 A BE577291 A BE 577291A BE 577291 A BE577291 A BE 577291A BE 577291 A BE577291 A BE 577291A BE 577291 A BE577291 A BE 577291A
Authority
BE
Belgium
Prior art keywords
support frame
articulated support
underground excavations
excavations
underground
Prior art date
Application number
BE577291A
Other languages
French (fr)
Inventor
Friedrich Wilhelm Paurat
Original Assignee
Paurat F
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
Priority claimed from DEP20457A external-priority patent/DE804108C/en
Application filed by Paurat F filed Critical Paurat F
Publication of BE577291A publication Critical patent/BE577291A/en

Links

BE577291A 1958-04-03 1959-04-02 Articulated support frame for underground excavations. BE577291A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEP20457A DE804108C (en) 1945-06-01 1948-11-03 Circuit for generating a control voltage

Publications (1)

Publication Number Publication Date
BE577291A true BE577291A (en) 1959-07-31

Family

ID=38706691

Family Applications (1)

Application Number Title Priority Date Filing Date
BE577291A BE577291A (en) 1958-04-03 1959-04-02 Articulated support frame for underground excavations.

Country Status (1)

Country Link
BE (1) BE577291A (en)

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