NL20719C - - Google Patents

Info

Publication number
NL20719C
NL20719C NL20719DA NL20719C NL 20719 C NL20719 C NL 20719C NL 20719D A NL20719D A NL 20719DA NL 20719 C NL20719 C NL 20719C
Authority
NL
Netherlands
Application number
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.)
Publication of NL20719C publication Critical patent/NL20719C/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F5/00—Dredgers or soil-shifting machines for special purposes
    • E02F5/02—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches
    • E02F5/10—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables
    • E02F5/102—Dredgers or soil-shifting machines for special purposes for digging trenches or ditches with arrangements for reinforcing trenches or ditches; with arrangements for making or assembling conduits or for laying conduits or cables operatively associated with mole-ploughs, coulters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
NL20719D 1927-12-17 NL20719C (enrdf_load_stackoverflow)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL1790032X 1927-12-17
NL533978X 1927-12-17

Publications (1)

Publication Number Publication Date
NL20719C true NL20719C (enrdf_load_stackoverflow)

Family

ID=26643692

Family Applications (1)

Application Number Title Priority Date Filing Date
NL20719D NL20719C (enrdf_load_stackoverflow) 1927-12-17

Country Status (3)

Country Link
US (1) US1790032A (enrdf_load_stackoverflow)
DE (1) DE533978C (enrdf_load_stackoverflow)
NL (1) NL20719C (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3181302A (en) * 1959-08-28 1965-05-04 William R Lindsay Pipe splitier and spreader
US3354661A (en) * 1964-01-16 1967-11-28 James C Russell Pipe laying apparatus

Also Published As

Publication number Publication date
US1790032A (en) 1931-01-27
DE533978C (de) 1931-09-21

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