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CA561611A - Apparatus for expanding earth materials - Google Patents

Apparatus for expanding earth materials

Info

Publication number
CA561611A
CA561611A CA561611A CA561611DA CA561611A CA 561611 A CA561611 A CA 561611A CA 561611 A CA561611 A CA 561611A CA 561611D A CA561611D A CA 561611DA CA 561611 A CA561611 A CA 561611A
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
CA561611A
Other languages
French (fr)
Inventor
L. Pierce Harold
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 CA561611A publication Critical patent/CA561611A/en
Expired legal-status Critical Current

Links

CA561611A Apparatus for expanding earth materials Expired CA561611A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA561611T

Publications (1)

Publication Number Publication Date
CA561611A true CA561611A (en) 1958-08-12

Family

ID=35728042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA561611A Expired CA561611A (en) Apparatus for expanding earth materials

Country Status (1)

Country Link
CA (1) CA561611A (en)

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