CA374333A - Construction de puits - Google Patents

Construction de puits

Info

Publication number
CA374333A
CA374333A CA374333A CA374333DA CA374333A CA 374333 A CA374333 A CA 374333A CA 374333 A CA374333 A CA 374333A CA 374333D A CA374333D A CA 374333DA CA 374333 A CA374333 A CA 374333A
Authority
CA
Canada
Prior art keywords
shaft construction
construction
shaft
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
CA374333A
Other languages
English (en)
Inventor
Ranney Leo
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 CA374333A publication Critical patent/CA374333A/fr
Expired legal-status Critical Current

Links

CA374333A Construction de puits Expired CA374333A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA374333T

Publications (1)

Publication Number Publication Date
CA374333A true CA374333A (fr) 1938-06-14

Family

ID=35378657

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374333A Expired CA374333A (fr) Construction de puits

Country Status (1)

Country Link
CA (1) CA374333A (fr)

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