CA73998A - Appareil a degeler la terre - Google Patents

Appareil a degeler la terre

Info

Publication number
CA73998A
CA73998A CA000073998A CA73998DA CA73998A CA 73998 A CA73998 A CA 73998A CA 000073998 A CA000073998 A CA 000073998A CA 73998D A CA73998D A CA 73998DA CA 73998 A CA73998 A CA 73998A
Authority
CA
Canada
Prior art keywords
frozen ground
thawing frozen
thawing
ground
frozen
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
CA000073998A
Other languages
English (en)
Inventor
George Russel Clarke
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 CA73998A publication Critical patent/CA73998A/fr
Expired legal-status Critical Current

Links

CA000073998A 1901-04-20 1901-04-20 Appareil a degeler la terre Expired CA73998A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA73998T 1901-04-20

Publications (1)

Publication Number Publication Date
CA73998A true CA73998A (fr) 1901-12-03

Family

ID=45190535

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000073998A Expired CA73998A (fr) 1901-04-20 1901-04-20 Appareil a degeler la terre

Country Status (1)

Country Link
CA (1) CA73998A (fr)

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