CA839496A - Plugging underground cavities - Google Patents

Plugging underground cavities

Info

Publication number
CA839496A
CA839496A CA839496A CA839496DA CA839496A CA 839496 A CA839496 A CA 839496A CA 839496 A CA839496 A CA 839496A CA 839496D A CA839496D A CA 839496DA CA 839496 A CA839496 A CA 839496A
Authority
CA
Canada
Prior art keywords
underground cavities
plugging underground
plugging
cavities
underground
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
CA839496A
Inventor
Parry-Davies Ross
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.)
CEMENTATION Co (AFRICA) Ltd
Original Assignee
CEMENTATION Co (AFRICA) Ltd
Publication date
Application granted granted Critical
Publication of CA839496A publication Critical patent/CA839496A/en
Expired legal-status Critical Current

Links

CA839496A Plugging underground cavities Expired CA839496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA839496T

Publications (1)

Publication Number Publication Date
CA839496A true CA839496A (en) 1970-04-21

Family

ID=36323696

Family Applications (1)

Application Number Title Priority Date Filing Date
CA839496A Expired CA839496A (en) Plugging underground cavities

Country Status (1)

Country Link
CA (1) CA839496A (en)

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