CA620517A - Duct structure for pipes - Google Patents

Duct structure for pipes

Info

Publication number
CA620517A
CA620517A CA620517A CA620517DA CA620517A CA 620517 A CA620517 A CA 620517A CA 620517 A CA620517 A CA 620517A CA 620517D A CA620517D A CA 620517DA CA 620517 A CA620517 A CA 620517A
Authority
CA
Canada
Prior art keywords
pipes
duct structure
duct
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
CA620517A
Inventor
C. Peterson Earl
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 CA620517A publication Critical patent/CA620517A/en
Expired legal-status Critical Current

Links

CA620517A Duct structure for pipes Expired CA620517A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA620517T

Publications (1)

Publication Number Publication Date
CA620517A true CA620517A (en) 1961-05-23

Family

ID=35875710

Family Applications (1)

Application Number Title Priority Date Filing Date
CA620517A Expired CA620517A (en) Duct structure for pipes

Country Status (1)

Country Link
CA (1) CA620517A (en)

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