NO123420B - - Google Patents

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Publication number
NO123420B
NO123420B NO411970A NO411970A NO123420B NO 123420 B NO123420 B NO 123420B NO 411970 A NO411970 A NO 411970A NO 411970 A NO411970 A NO 411970A NO 123420 B NO123420 B NO 123420B
Authority
NO
Norway
Prior art keywords
pipe
ribs
longitudinal
drainage
wall
Prior art date
Application number
NO411970A
Other languages
English (en)
Norwegian (no)
Inventor
B Bjoernsen
E Haneborg
E Aasrud
K Haug
Original Assignee
Aktieselskab Fjeldhammer Brug
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 Aktieselskab Fjeldhammer Brug filed Critical Aktieselskab Fjeldhammer Brug
Priority to NO411970A priority Critical patent/NO123420B/no
Priority to DK496971A priority patent/DK128253B/da
Publication of NO123420B publication Critical patent/NO123420B/no

Links

Landscapes

  • Rigid Pipes And Flexible Pipes (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
NO411970A 1970-10-29 1970-10-29 NO123420B (da)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NO411970A NO123420B (da) 1970-10-29 1970-10-29
DK496971A DK128253B (da) 1970-10-29 1971-10-13 Drænrør.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO411970A NO123420B (da) 1970-10-29 1970-10-29

Publications (1)

Publication Number Publication Date
NO123420B true NO123420B (da) 1971-11-08

Family

ID=19880083

Family Applications (1)

Application Number Title Priority Date Filing Date
NO411970A NO123420B (da) 1970-10-29 1970-10-29

Country Status (2)

Country Link
DK (1) DK128253B (da)
NO (1) NO123420B (da)

Also Published As

Publication number Publication date
DK128253B (da) 1974-03-25

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