CA488599A - Alveoles pour etancons de mine - Google Patents

Alveoles pour etancons de mine

Info

Publication number
CA488599A
CA488599A CA488599A CA488599DA CA488599A CA 488599 A CA488599 A CA 488599A CA 488599 A CA488599 A CA 488599A CA 488599D A CA488599D A CA 488599DA CA 488599 A CA488599 A CA 488599A
Authority
CA
Canada
Prior art keywords
sockets
pit props
props
pit
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
CA488599A
Other languages
English (en)
Inventor
Allimann George
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.)
S A De Distribution Et Vente
Original Assignee
S A De Distribution Et Vente
Publication date
Application granted granted Critical
Publication of CA488599A publication Critical patent/CA488599A/fr
Expired legal-status Critical Current

Links

CA488599A Alveoles pour etancons de mine Expired CA488599A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA488599T

Publications (1)

Publication Number Publication Date
CA488599A true CA488599A (fr) 1952-12-02

Family

ID=35628320

Family Applications (1)

Application Number Title Priority Date Filing Date
CA488599A Expired CA488599A (fr) Alveoles pour etancons de mine

Country Status (1)

Country Link
CA (1) CA488599A (fr)

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