FR714972A - Dispositif de systèmes annonciateurs et signalisateurs - Google Patents

Dispositif de systèmes annonciateurs et signalisateurs

Info

Publication number
FR714972A
FR714972A FR714972DA FR714972A FR 714972 A FR714972 A FR 714972A FR 714972D A FR714972D A FR 714972DA FR 714972 A FR714972 A FR 714972A
Authority
FR
France
Prior art keywords
annunciator
signaling systems
systems device
signaling
systems
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.)
Metallindustrie Gluckauf G M B
Original Assignee
Metallindustrie Gluckauf G M B
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 Metallindustrie Gluckauf G M B filed Critical Metallindustrie Gluckauf G M B
Application granted granted Critical
Publication of FR714972A publication Critical patent/FR714972A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F13/00—Illuminated signs; Luminous advertising
    • G09F13/16—Signs formed of or incorporating reflecting elements or surfaces, e.g. warning signs having triangular or other geometrical shape

Landscapes

  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
FR714972D 1930-04-12 1931-04-09 Dispositif de systèmes annonciateurs et signalisateurs Expired FR714972A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE714972X 1930-04-12

Publications (1)

Publication Number Publication Date
FR714972A true FR714972A (fr) 1931-11-23

Family

ID=1544637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714972D Expired FR714972A (fr) 1930-04-12 1931-04-09 Dispositif de systèmes annonciateurs et signalisateurs

Country Status (1)

Country Link
FR (1) FR714972A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608001A (en) * 1947-09-10 1952-08-26 Sperry Corp Indicating instrument
US2881654A (en) * 1955-10-24 1959-04-14 Dominic S Toffolo Biconical refractor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2608001A (en) * 1947-09-10 1952-08-26 Sperry Corp Indicating instrument
US2881654A (en) * 1955-10-24 1959-04-14 Dominic S Toffolo Biconical refractor

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