CA407724A - Visual colour comparator - Google Patents

Visual colour comparator

Info

Publication number
CA407724A
CA407724A CA407724A CA407724DA CA407724A CA 407724 A CA407724 A CA 407724A CA 407724 A CA407724 A CA 407724A CA 407724D A CA407724D A CA 407724DA CA 407724 A CA407724 A CA 407724A
Authority
CA
Canada
Prior art keywords
visual colour
colour comparator
comparator
visual
colour
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
CA407724A
Other languages
French (fr)
Inventor
L. West Douglas
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.)
HOWARD SMITH PAPER MILLS Ltd
Original Assignee
HOWARD SMITH PAPER MILLS Ltd
Publication date
Application granted granted Critical
Publication of CA407724A publication Critical patent/CA407724A/en
Expired legal-status Critical Current

Links

CA407724A Visual colour comparator Expired CA407724A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA407724T

Publications (1)

Publication Number Publication Date
CA407724A true CA407724A (en) 1942-09-29

Family

ID=35419024

Family Applications (1)

Application Number Title Priority Date Filing Date
CA407724A Expired CA407724A (en) Visual colour comparator

Country Status (1)

Country Link
CA (1) CA407724A (en)

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