CA520951A - Escalateurs - Google Patents

Escalateurs

Info

Publication number
CA520951A
CA520951A CA520951A CA520951DA CA520951A CA 520951 A CA520951 A CA 520951A CA 520951 A CA520951 A CA 520951A CA 520951D A CA520951D A CA 520951DA CA 520951 A CA520951 A CA 520951A
Authority
CA
Canada
Prior art keywords
elevators
stair
stair elevators
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
CA520951A
Other languages
English (en)
Inventor
C. Thompson Irving
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 CA520951A publication Critical patent/CA520951A/fr
Expired legal-status Critical Current

Links

CA520951A Escalateurs Expired CA520951A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA520951T

Publications (1)

Publication Number Publication Date
CA520951A true CA520951A (fr) 1956-01-17

Family

ID=35674174

Family Applications (1)

Application Number Title Priority Date Filing Date
CA520951A Expired CA520951A (fr) Escalateurs

Country Status (1)

Country Link
CA (1) CA520951A (fr)

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