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CA463818A - Subdrain - Google Patents

Subdrain

Info

Publication number
CA463818A
CA463818A CA463818A CA463818DA CA463818A CA 463818 A CA463818 A CA 463818A CA 463818 A CA463818 A CA 463818A CA 463818D A CA463818D A CA 463818DA CA 463818 A CA463818 A CA 463818A
Authority
CA
Canada
Prior art keywords
subdrain
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
CA463818A
Other languages
French (fr)
Inventor
E. Shafer George
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.)
Armco Inc
Original Assignee
Armco Inc
Publication date
Application granted granted Critical
Publication of CA463818A publication Critical patent/CA463818A/en
Expired legal-status Critical Current

Links

CA463818A Subdrain Expired CA463818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA463818T

Publications (1)

Publication Number Publication Date
CA463818A true CA463818A (en) 1950-03-21

Family

ID=35593536

Family Applications (1)

Application Number Title Priority Date Filing Date
CA463818A Expired CA463818A (en) Subdrain

Country Status (1)

Country Link
CA (1) CA463818A (en)

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