CA282794A - Paroi de tunnels, etc. - Google Patents

Paroi de tunnels, etc.

Info

Publication number
CA282794A
CA282794A CA282794A CA282794DA CA282794A CA 282794 A CA282794 A CA 282794A CA 282794 A CA282794 A CA 282794A CA 282794D A CA282794D A CA 282794DA CA 282794 A CA282794 A CA 282794A
Authority
CA
Canada
Prior art keywords
tunnels
lining
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
CA282794A
Other languages
English (en)
Inventor
Harvey Humphreys James
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 CA282794A publication Critical patent/CA282794A/fr
Expired legal-status Critical Current

Links

CA282794A Paroi de tunnels, etc. Expired CA282794A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA282794T

Publications (1)

Publication Number Publication Date
CA282794A true CA282794A (fr) 1928-08-28

Family

ID=35215886

Family Applications (1)

Application Number Title Priority Date Filing Date
CA282794A Expired CA282794A (fr) Paroi de tunnels, etc.

Country Status (1)

Country Link
CA (1) CA282794A (fr)

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