FR875493A - Process for the manufacture of sound recording tracing chisels - Google Patents

Process for the manufacture of sound recording tracing chisels

Info

Publication number
FR875493A
FR875493A FR875493DA FR875493A FR 875493 A FR875493 A FR 875493A FR 875493D A FR875493D A FR 875493DA FR 875493 A FR875493 A FR 875493A
Authority
FR
France
Prior art keywords
chisels
manufacture
sound recording
tracing
recording tracing
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
French (fr)
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.)
Tefi Apparatebau Dr Daniel KG
Original Assignee
Tefi Apparatebau Dr Daniel KG
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 Tefi Apparatebau Dr Daniel KG filed Critical Tefi Apparatebau Dr Daniel KG
Application granted granted Critical
Publication of FR875493A publication Critical patent/FR875493A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B3/00—Recording by mechanical cutting, deforming or pressing, e.g. of grooves or pits; Reproducing by mechanical sensing; Record carriers therefor
    • G11B3/44—Styli, e.g. sapphire, diamond
    • G11B3/46—Constructions or forms ; Dispositions or mountings, e.g. attachment of point to shank
    • G11B3/48—Needles
FR875493D 1940-10-12 1941-09-24 Process for the manufacture of sound recording tracing chisels Expired FR875493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE875493X 1940-10-12

Publications (1)

Publication Number Publication Date
FR875493A true FR875493A (en) 1942-09-23

Family

ID=6817315

Family Applications (1)

Application Number Title Priority Date Filing Date
FR875493D Expired FR875493A (en) 1940-10-12 1941-09-24 Process for the manufacture of sound recording tracing chisels

Country Status (1)

Country Link
FR (1) FR875493A (en)

Similar Documents

Publication Publication Date Title
FR934775A (en) Process for the manufacture of peracids
FR875493A (en) Process for the manufacture of sound recording tracing chisels
FR875721A (en) Magnetic sound recording process
FR872853A (en) Manufacturing process of hard alloys
FR878125A (en) Process for the constitution of sound recordings
FR869512A (en) Method for making sound recordings
FR878147A (en) Magnetic sound recording process
FR877278A (en) Mixed sound recording process
FR989226A (en) Manufacturing process for opacifying agents
FR868544A (en) Manufacturing process of agglomerates for gasifiers
FR886899A (en) Process for the production of polychrome images with sound recording
FR879885A (en) Process for the production of polychrome images with sound recording
FR877904A (en) Process for the production of polychrome images with sound recording
FR875382A (en) Process for the production of hexachlorobutadiene
FR878152A (en) Method for variable density sound recording
FR875986A (en) Process for photographic recording of sound or for making sound recordings
FR848161A (en) Process for the production of sound recordings
FR876552A (en) Isosucramines manufacturing process
FR917398A (en) Process for the production of saturated hydrocarbons
FR840530A (en) Method for obtaining sound recordings
FR882477A (en) Process for the manufacture of agglomerates
FR863481A (en) Process for the manufacture of para-amino-benzene-sulfonamide derivatives
FR878611A (en) Process for obtaining furfurol
FR971405A (en) Box assembly process
FR871104A (en) Method of making sound recordings