CA61290A - Instrument pour percer la terre gelee - Google Patents

Instrument pour percer la terre gelee

Info

Publication number
CA61290A
CA61290A CA000061290A CA61290DA CA61290A CA 61290 A CA61290 A CA 61290A CA 000061290 A CA000061290 A CA 000061290A CA 61290D A CA61290D A CA 61290DA CA 61290 A CA61290 A CA 61290A
Authority
CA
Canada
Prior art keywords
boring
implements
frozen earth
frozen
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
CA000061290A
Other languages
English (en)
Inventor
Eben H. Dyer
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 CA61290A publication Critical patent/CA61290A/fr
Expired legal-status Critical Current

Links

CA000061290A 1898-02-21 1898-02-21 Instrument pour percer la terre gelee Expired CA61290A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA61290T 1898-02-21

Publications (1)

Publication Number Publication Date
CA61290A true CA61290A (fr) 1898-10-01

Family

ID=45177828

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000061290A Expired CA61290A (fr) 1898-02-21 1898-02-21 Instrument pour percer la terre gelee

Country Status (1)

Country Link
CA (1) CA61290A (fr)

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