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CA238162A - Door opening and closing apparatus - Google Patents

Door opening and closing apparatus

Info

Publication number
CA238162A
CA238162A CA238162A CA238162DA CA238162A CA 238162 A CA238162 A CA 238162A CA 238162 A CA238162 A CA 238162A CA 238162D A CA238162D A CA 238162DA CA 238162 A CA238162 A CA 238162A
Authority
CA
Canada
Prior art keywords
door opening
closing apparatus
closing
door
opening
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
CA238162A
Other languages
French (fr)
Inventor
Strochalen Alex
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 CA238162A publication Critical patent/CA238162A/en
Expired legal-status Critical Current

Links

CA238162A Door opening and closing apparatus Expired CA238162A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA238162T

Publications (1)

Publication Number Publication Date
CA238162A true CA238162A (en) 1924-02-26

Family

ID=35142194

Family Applications (1)

Application Number Title Priority Date Filing Date
CA238162A Expired CA238162A (en) Door opening and closing apparatus

Country Status (1)

Country Link
CA (1) CA238162A (en)

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