FR666871A - - Google Patents

Info

Publication number
FR666871A
FR666871A FR666871DA FR666871A FR 666871 A FR666871 A FR 666871A FR 666871D A FR666871D A FR 666871DA FR 666871 A FR666871 A FR 666871A
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 FR666871A publication Critical patent/FR666871A/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
FR666871D Expired FR666871A (cg-RX-API-DMAC7.html)

Publications (1)

Publication Number Publication Date
FR666871A true FR666871A (cg-RX-API-DMAC7.html) 1927-10-17

Family

ID=1543374

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666871D Expired FR666871A (cg-RX-API-DMAC7.html)

Country Status (1)

Country Link
FR (1) FR666871A (cg-RX-API-DMAC7.html)

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