CH273421A - Macchina da scrivere con dispositivo per segnalare la fine della pagina. - Google Patents

Macchina da scrivere con dispositivo per segnalare la fine della pagina.

Info

Publication number
CH273421A
CH273421A CH273421DA CH273421A CH 273421 A CH273421 A CH 273421A CH 273421D A CH273421D A CH 273421DA CH 273421 A CH273421 A CH 273421A
Authority
CH
Switzerland
Prior art keywords
typewriter
page
signal
Prior art date
Application number
Other languages
English (en)
Inventor
Bordoni Nives Gianola Nata
Original Assignee
Bordoni Nives Gianola Nata
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 Bordoni Nives Gianola Nata filed Critical Bordoni Nives Gianola Nata
Publication of CH273421A publication Critical patent/CH273421A/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
    • B42D—BOOKS; BOOK COVERS; LOOSE LEAVES; PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITY FEATURES; PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOT OTHERWISE PROVIDED FOR; DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDED FOR; MOVABLE-STRIP WRITING OR READING APPARATUS
    • B42D9/00—Bookmarkers; Spot indicators; Devices for holding books open; Leaf turners
    • B42D9/04—Leaf turners
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/02—Viewing or reading apparatus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
CH273421D 1949-05-09 1949-05-09 Macchina da scrivere con dispositivo per segnalare la fine della pagina. CH273421A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH273421T 1949-05-09

Publications (1)

Publication Number Publication Date
CH273421A true CH273421A (it) 1951-02-15

Family

ID=4479254

Family Applications (1)

Application Number Title Priority Date Filing Date
CH273421D CH273421A (it) 1949-05-09 1949-05-09 Macchina da scrivere con dispositivo per segnalare la fine della pagina.

Country Status (1)

Country Link
CH (1) CH273421A (it)

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