CA890829A - Apparatus for and method of expanding earth materials - Google Patents

Apparatus for and method of expanding earth materials

Info

Publication number
CA890829A
CA890829A CA890829A CA890829DA CA890829A CA 890829 A CA890829 A CA 890829A CA 890829 A CA890829 A CA 890829A CA 890829D A CA890829D A CA 890829DA CA 890829 A CA890829 A CA 890829A
Authority
CA
Canada
Prior art keywords
earth materials
expanding earth
expanding
materials
earth
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
CA890829A
Inventor
J. Brouk Joseph
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA890829A publication Critical patent/CA890829A/en
Expired legal-status Critical Current

Links

CA890829A Apparatus for and method of expanding earth materials Expired CA890829A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA890829T

Publications (1)

Publication Number Publication Date
CA890829A true CA890829A (en) 1972-01-18

Family

ID=36396966

Family Applications (1)

Application Number Title Priority Date Filing Date
CA890829A Expired CA890829A (en) Apparatus for and method of expanding earth materials

Country Status (1)

Country Link
CA (1) CA890829A (en)

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