[go: up one dir, main page]

AU239236B2 - Improvements' in and relating toearth-drilling equipment - Google Patents

Improvements' in and relating toearth-drilling equipment

Info

Publication number
AU239236B2
AU239236B2 AU58045/60A AU5804560A AU239236B2 AU 239236 B2 AU239236 B2 AU 239236B2 AU 58045/60 A AU58045/60 A AU 58045/60A AU 5804560 A AU5804560 A AU 5804560A AU 239236 B2 AU239236 B2 AU 239236B2
Authority
AU
Australia
Prior art keywords
drilling equipment
toearth
relating
relating toearth
drilling
Prior art date
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
AU58045/60A
Other versions
AU5804560A (en
Inventor
John Woolgar Reginald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Economic Foundations Ltd
Original Assignee
Economic Foundations Ltd
Filing date
Publication date
Application filed by Economic Foundations Ltd filed Critical Economic Foundations Ltd
Application granted granted Critical
Publication of AU5804560A publication Critical patent/AU5804560A/en
Publication of AU239236B2 publication Critical patent/AU239236B2/en
Expired legal-status Critical Current

Links

AU58045/60A 1960-03-02 Improvements' in and relating toearth-drilling equipment Expired AU239236B2 (en)

Publications (2)

Publication Number Publication Date
AU5804560A AU5804560A (en) 1960-09-08
AU239236B2 true AU239236B2 (en) 1960-09-08

Family

ID=

Similar Documents

Publication Publication Date Title
AU239236B2 (en) Improvements' in and relating toearth-drilling equipment
AU5804560A (en) Improvements' in and relating toearth-drilling equipment
AU239816B2 (en) Improvements in and relating togas-fired air-heaters
CA598055A (en) Alpha-aminopropionitriles and preparation thereof
AU6301960A (en) Improvements in and relating togas-fired air-heaters
AU242608B2 (en) 6 a-METHYL PREGNADIENES AND PREGNATRIENES
AU242769B2 (en) 6 a-fluoroprednisolone derivaties and combinations containing them
CA595197A (en) Alpha-alkyl-alpha'-nitroalkyladipates
AU239099B2 (en) Improvements in and relating' to rope attachment means
CA596521A (en) "not and" gate circuits
AU265853B2 (en) 6, 16-dimethyl-4, 6 and 1, 4, 6-pregnenes
AU249857B2 (en) Improvements in and relating tosun-blinds
AU265758B2 (en) Improvements in and relating tos-triazines
AU270004B2 (en) Improvements in and relating tos-triazines
AU277683B2 (en) Improvements in and relating tos-triazines
AU242717B2 (en) N-arylsulphonyl-n'hexamethyleneiminourea and pharmaceutical compositions
AU241789B2 (en) Improvements in and relating to surgical masks
CA609634A (en) 2-methyl-dihydrotestosterone and 17-substituents
CA607927A (en) Ethynylpyridine-n-oxides and ethynylquinoline-n-oxides
AU237436B2 (en) Improvements in and relating to document-filing devices
AU5693960A (en) 6 a-METHYL PREGNADIENES AND PREGNATRIENES
AU240349B2 (en) Improvements in and relating tostay rods
AU5690460A (en) 6 a-fluoroprednisolone derivaties and combinations containing them
CA601379A (en) Therapeutic agents and the preparation thereof
AU6434260A (en) Improvements in and relating' to rope attachment means