CA121179A - Dispositif a degler la terre - Google Patents

Dispositif a degler la terre

Info

Publication number
CA121179A
CA121179A CA000121179A CA121179DA CA121179A CA 121179 A CA121179 A CA 121179A CA 000121179 A CA000121179 A CA 000121179A CA 121179D A CA121179D A CA 121179DA CA 121179 A CA121179 A CA 121179A
Authority
CA
Canada
Prior art keywords
frozen ground
thawing device
thawing
frozen
ground
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
CA000121179A
Other languages
English (en)
Inventor
Walter T. 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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of CA121179A publication Critical patent/CA121179A/fr
Expired legal-status Critical Current

Links

CA000121179A 1908-12-16 1908-12-16 Dispositif a degler la terre Expired CA121179A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA121179T 1908-12-16

Publications (1)

Publication Number Publication Date
CA121179A true CA121179A (fr) 1909-10-12

Family

ID=45240903

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000121179A Expired CA121179A (fr) 1908-12-16 1908-12-16 Dispositif a degler la terre

Country Status (1)

Country Link
CA (1) CA121179A (fr)

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