A method for supporting the walls of a ground trench and a method and apparatus for use in the laying of a pipeline in a trench

IL44359A0Inactive Publication Date: 1974-06-30HUDSWELL MORRICE LTD
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Patent Information

Application Number
IL44359
Authority / Receiving Office
IL · IL
Patent Type
Applications
Current Assignee / Owner
Priority Date
1973-02-22
Filing Date
1974-03-05
Publication Date
1974-06-30
Estimated Expiration
Not applicable · inactive patent
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