CA778081A - Sandwich drafting board structure - Google Patents

Sandwich drafting board structure

Info

Publication number
CA778081A
CA778081A CA778081A CA778081DA CA778081A CA 778081 A CA778081 A CA 778081A CA 778081 A CA778081 A CA 778081A CA 778081D A CA778081D A CA 778081DA CA 778081 A CA778081 A CA 778081A
Authority
CA
Canada
Prior art keywords
sandwich
board structure
drafting board
drafting
sandwich drafting
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
CA778081A
Inventor
L. W. Watt Arthur
W. Gray Harold
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.)
HUGHES-OWENS Co (LIMITED)
Original Assignee
HUGHES-OWENS Co (LIMITED)
Publication date
Application granted granted Critical
Publication of CA778081A publication Critical patent/CA778081A/en
Expired legal-status Critical Current

Links

CA778081A Sandwich drafting board structure Expired CA778081A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA778081T

Publications (1)

Publication Number Publication Date
CA778081A true CA778081A (en) 1968-02-13

Family

ID=36225389

Family Applications (1)

Application Number Title Priority Date Filing Date
CA778081A Expired CA778081A (en) Sandwich drafting board structure

Country Status (1)

Country Link
CA (1) CA778081A (en)

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