FR722921A - Images à impression invisible - Google Patents

Images à impression invisible

Info

Publication number
FR722921A
FR722921A FR722921DA FR722921A FR 722921 A FR722921 A FR 722921A FR 722921D A FR722921D A FR 722921DA FR 722921 A FR722921 A FR 722921A
Authority
FR
France
Prior art keywords
print images
invisible print
invisible
images
print
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
Other languages
English (en)
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.)
CHAMBRELENT ET CIE SOC
Original Assignee
CHAMBRELENT ET CIE SOC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by CHAMBRELENT ET CIE SOC filed Critical CHAMBRELENT ET CIE SOC
Application granted granted Critical
Publication of FR722921A publication Critical patent/FR722921A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44F—SPECIAL DESIGNS OR PICTURES
    • B44F1/00—Designs or pictures characterised by special or unusual light effects
    • B44F1/08—Designs or pictures characterised by special or unusual light effects characterised by colour effects
    • B44F1/10—Changing, amusing, or secret pictures
FR722921D 1931-09-15 1931-09-15 Images à impression invisible Expired FR722921A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR722921T 1931-09-15

Publications (1)

Publication Number Publication Date
FR722921A true FR722921A (fr) 1932-03-30

Family

ID=9103212

Family Applications (1)

Application Number Title Priority Date Filing Date
FR722921D Expired FR722921A (fr) 1931-09-15 1931-09-15 Images à impression invisible

Country Status (1)

Country Link
FR (1) FR722921A (fr)

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