CA572282A - Couvercles et chassis de trou d'homme - Google Patents

Couvercles et chassis de trou d'homme

Info

Publication number
CA572282A
CA572282A CA572282A CA572282DA CA572282A CA 572282 A CA572282 A CA 572282A CA 572282 A CA572282 A CA 572282A CA 572282D A CA572282D A CA 572282DA CA 572282 A CA572282 A CA 572282A
Authority
CA
Canada
Prior art keywords
frames
manhole covers
manhole
covers
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
CA572282A
Other languages
English (en)
Inventor
Elkington Vivian
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.)
Dover Engineering Works Ltd
Original Assignee
Dover Engineering Works Ltd
Publication date
Application granted granted Critical
Publication of CA572282A publication Critical patent/CA572282A/fr
Expired legal-status Critical Current

Links

CA572282A Couvercles et chassis de trou d'homme Expired CA572282A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA572282T

Publications (1)

Publication Number Publication Date
CA572282A true CA572282A (fr) 1959-03-17

Family

ID=35748120

Family Applications (1)

Application Number Title Priority Date Filing Date
CA572282A Expired CA572282A (fr) Couvercles et chassis de trou d'homme

Country Status (1)

Country Link
CA (1) CA572282A (fr)

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