FR570774A - - Google Patents

Info

Publication number
FR570774A
FR570774A FR570774DA FR570774A FR 570774 A FR570774 A FR 570774A FR 570774D A FR570774D A FR 570774DA FR 570774 A FR570774 A FR 570774A
Authority
FR
France
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)
Publication date
Application granted granted Critical
Publication of FR570774A publication Critical patent/FR570774A/fr
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
FR570774D Expired FR570774A (cg-RX-API-DMAC10.html)

Publications (1)

Publication Number Publication Date
FR570774A true FR570774A (cg-RX-API-DMAC10.html) 1924-05-07

Family

ID=1539230

Family Applications (1)

Application Number Title Priority Date Filing Date
FR570774D Expired FR570774A (cg-RX-API-DMAC10.html)

Country Status (1)

Country Link
FR (1) FR570774A (cg-RX-API-DMAC10.html)

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