FR671818A - Needle for sound reproducers - Google Patents

Needle for sound reproducers

Info

Publication number
FR671818A
FR671818A FR671818DA FR671818A FR 671818 A FR671818 A FR 671818A FR 671818D A FR671818D A FR 671818DA FR 671818 A FR671818 A FR 671818A
Authority
FR
France
Prior art keywords
needle
sound reproducers
reproducers
sound
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR671818A publication Critical patent/FR671818A/en
Expired legal-status Critical Current

Links

FR671818D 1928-03-22 1929-03-21 Needle for sound reproducers Expired FR671818A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US671818XA 1928-03-22 1928-03-22

Publications (1)

Publication Number Publication Date
FR671818A true FR671818A (en) 1929-12-19

Family

ID=22074247

Family Applications (1)

Application Number Title Priority Date Filing Date
FR671818D Expired FR671818A (en) 1928-03-22 1929-03-21 Needle for sound reproducers

Country Status (1)

Country Link
FR (1) FR671818A (en)

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