CA3439A - Une echelle automatique a queue - Google Patents

Une echelle automatique a queue

Info

Publication number
CA3439A
CA3439A CA000003439A CA3439DA CA3439A CA 3439 A CA3439 A CA 3439A CA 000003439 A CA000003439 A CA 000003439A CA 3439D A CA3439D A CA 3439DA CA 3439 A CA3439 A CA 3439A
Authority
CA
Canada
Prior art keywords
ladder
self
adjusting step
adjusting
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
CA000003439A
Other languages
English (en)
Inventor
Samuel Wright
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 CA3439A publication Critical patent/CA3439A/fr
Expired legal-status Critical Current

Links

CA000003439A Une echelle automatique a queue Expired CA3439A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA3439T

Publications (1)

Publication Number Publication Date
CA3439A true CA3439A (fr) 1874-05-13

Family

ID=45120002

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000003439A Expired CA3439A (fr) Une echelle automatique a queue

Country Status (1)

Country Link
CA (1) CA3439A (fr)

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