CA368378A - Optical testing device - Google Patents

Optical testing device

Info

Publication number
CA368378A
CA368378A CA368378A CA368378DA CA368378A CA 368378 A CA368378 A CA 368378A CA 368378 A CA368378 A CA 368378A CA 368378D A CA368378D A CA 368378DA CA 368378 A CA368378 A CA 368378A
Authority
CA
Canada
Prior art keywords
testing device
optical testing
optical
testing
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
CA368378A
Other languages
French (fr)
Inventor
R. Tait Charles
S. Goodrich Albert
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.)
Hammermill Paper Co
Original Assignee
Hammermill Paper Co
Publication date
Application granted granted Critical
Publication of CA368378A publication Critical patent/CA368378A/en
Expired legal-status Critical Current

Links

CA368378A Optical testing device Expired CA368378A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA368378T

Publications (1)

Publication Number Publication Date
CA368378A true CA368378A (en) 1937-08-31

Family

ID=35369446

Family Applications (1)

Application Number Title Priority Date Filing Date
CA368378A Expired CA368378A (en) Optical testing device

Country Status (1)

Country Link
CA (1) CA368378A (en)

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