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CA398193A - Door opening and checking device - Google Patents

Door opening and checking device

Info

Publication number
CA398193A
CA398193A CA398193A CA398193DA CA398193A CA 398193 A CA398193 A CA 398193A CA 398193 A CA398193 A CA 398193A CA 398193D A CA398193D A CA 398193DA CA 398193 A CA398193 A CA 398193A
Authority
CA
Canada
Prior art keywords
door opening
checking device
checking
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
CA398193A
Other languages
French (fr)
Inventor
L. Allen Edwin
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.)
RUDOLPH I SCHONITZER
Original Assignee
RUDOLPH I SCHONITZER
Publication date
Application granted granted Critical
Publication of CA398193A publication Critical patent/CA398193A/en
Expired legal-status Critical Current

Links

CA398193A Door opening and checking device Expired CA398193A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA398193T

Publications (1)

Publication Number Publication Date
CA398193A true CA398193A (en) 1941-07-22

Family

ID=35408693

Family Applications (1)

Application Number Title Priority Date Filing Date
CA398193A Expired CA398193A (en) Door opening and checking device

Country Status (1)

Country Link
CA (1) CA398193A (en)

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