CA420412A - Appareil d'exploration sous terre - Google Patents

Appareil d'exploration sous terre

Info

Publication number: CA420412A
Authority: CA; Canada
Prior art keywords: exploration apparatus; underground exploration; underground; exploration
Prior art date: 1944-05-23
Legal status (The legal status 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 status listed.): Expired

Application number

CA420412A

Other languages

Inventor

L. Hassler Gerald

Original Assignee

Shell Development Co

Publication date

1944-05-23

1944-05-23 Application granted granted Critical

1944-05-23 Publication of CA420412A publication Critical patent/CA420412A/fr

Status Expired legal-status Critical Current

CA420412A Appareil d'exploration sous terre Expired CA420412A (fr)

Application Number	Priority Date	Filing Date	Title
CA420412T

Publication Number	Publication Date
CA420412A true CA420412A (fr)	1944-05-23

Application Number	Title	Priority Date	Filing Date
CA420412A Expired CA420412A (fr)			Appareil d'exploration sous terre

Country	Link
CA (1)	CA420412A (fr)

Publication	Publication Date	Title
CA420412A (fr)	1944-05-23	Appareil d'exploration sous terre
CA423721A (fr)	1944-11-14	Appareil d'exploration miniere sous eau
CA421558A (fr)	1944-07-18	Appareil d'explorations seismiques
CA421559A (fr)	1944-07-18	Appareil d'explorations seismiques
CA419507A (fr)	1944-04-11	Appareil a transport du bois
CA417897A (fr)	1944-01-18	Appareil a percer
CA417898A (fr)	1944-01-18	Appareil a percer
CA420534A (fr)	1944-05-30	Appareil a percer
CA418747A (fr)	1944-02-29	Appareil electrique pour explorations
AU123171B2 (en)	1947-01-16	Improved apparatus for mining
CA420906A (fr)	1944-06-20	Appareil excavateur
CA423329A (fr)	1944-10-17	Methode d'exploration seismique
CA422798A (fr)	1944-09-19	Appareil de prospection electrique
CA421384A (fr)	1944-07-11	Appareil a percer le roc
CA420882A (fr)	1944-06-20	Machine a travailler la terre
CA424269A (fr)	1944-12-05	Appareil de surveillance de canalisation
AU122451B2 (en)	1946-10-24	Well survey method and apparatus
AU1702144A (en)	1947-01-16	Improved apparatus for mining
CA422152A (fr)	1944-08-15	Appareil a jauger
CA424129A (fr)	1944-11-28	Methode de reperage de puits
AU126175B2 (en)	1944-07-19	Weld-testing apparatus
CA420934A (fr)	1944-06-20	Appareil d'amenage des capsules
CA421091A (fr)	1944-06-27	Appareil d'amenage des capsules
CA421747A (fr)	1944-08-01	Appareil a manipuler des enroulements
CA415208A (fr)	1943-09-14	Appareil d'exploration geologique