CA798597A - Trench duct assembly - Google Patents

Trench duct assembly

Info

Publication number
CA798597A
CA798597A CA798597A CA798597DA CA798597A CA 798597 A CA798597 A CA 798597A CA 798597 A CA798597 A CA 798597A CA 798597D A CA798597D A CA 798597DA CA 798597 A CA798597 A CA 798597A
Authority
CA
Canada
Prior art keywords
duct assembly
trench duct
trench
assembly
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
CA798597A
Inventor
J. Hoseason Harry
R. Packman Walter
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 CA798597A publication Critical patent/CA798597A/en
Expired legal-status Critical Current

Links

CA798597A Trench duct assembly Expired CA798597A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA798597T

Publications (1)

Publication Number Publication Date
CA798597A true CA798597A (en) 1968-11-12

Family

ID=36266605

Family Applications (1)

Application Number Title Priority Date Filing Date
CA798597A Expired CA798597A (en) Trench duct assembly

Country Status (1)

Country Link
CA (1) CA798597A (en)

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