CA493936A - Portes equilibrees - Google Patents

Portes equilibrees

Info

Publication number
CA493936A
CA493936A CA493936A CA493936DA CA493936A CA 493936 A CA493936 A CA 493936A CA 493936 A CA493936 A CA 493936A CA 493936D A CA493936D A CA 493936DA CA 493936 A CA493936 A CA 493936A
Authority
CA
Canada
Prior art keywords
doors
balanced
balanced doors
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
CA493936A
Other languages
English (en)
Inventor
H. Nye Norman
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.)
Vaughn Machinery Co
Original Assignee
Vaughn Machinery Co
Publication date
Application granted granted Critical
Publication of CA493936A publication Critical patent/CA493936A/fr
Expired legal-status Critical Current

Links

CA493936A Portes equilibrees Expired CA493936A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA493936T

Publications (1)

Publication Number Publication Date
CA493936A true CA493936A (fr) 1953-06-23

Family

ID=35639329

Family Applications (1)

Application Number Title Priority Date Filing Date
CA493936A Expired CA493936A (fr) Portes equilibrees

Country Status (1)

Country Link
CA (1) CA493936A (fr)

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