AU429451B2 - Improvements in or relating to the extraction of materials - Google Patents

Improvements in or relating to the extraction of materials

Info

Publication number
AU429451B2
AU429451B2 AU56641/69A AU5664169A AU429451B2 AU 429451 B2 AU429451 B2 AU 429451B2 AU 56641/69 A AU56641/69 A AU 56641/69A AU 5664169 A AU5664169 A AU 5664169A AU 429451 B2 AU429451 B2 AU 429451B2
Authority
AU
Australia
Prior art keywords
relating
extraction
materials
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
AU56641/69A
Other versions
AU5664169A (en
Inventor
Sydney Durham Wise William
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.)
Coal Industry Patents Ltd
Original Assignee
Coal Industry Patents Ltd
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 Coal Industry Patents Ltd filed Critical Coal Industry Patents Ltd
Application granted granted Critical
Publication of AU429451B2 publication Critical patent/AU429451B2/en
Publication of AU5664169A publication Critical patent/AU5664169A/en
Expired legal-status Critical Current

Links

AU56641/69A 1968-06-21 1969-06-18 Improvements in or relating to the extraction of materials Expired AU429451B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB29744-68 1968-06-21

Publications (2)

Publication Number Publication Date
AU429451B2 true AU429451B2 (en) 1970-12-24
AU5664169A AU5664169A (en) 1970-12-24

Family

ID=

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