CA544340A - Method of electro-forming moulds for sound-carriers - Google Patents

Method of electro-forming moulds for sound-carriers

Info

Publication number
CA544340A
CA544340A CA544340A CA544340DA CA544340A CA 544340 A CA544340 A CA 544340A CA 544340 A CA544340 A CA 544340A CA 544340D A CA544340D A CA 544340DA CA 544340 A CA544340 A CA 544340A
Authority
CA
Canada
Prior art keywords
electro
carriers
sound
forming moulds
moulds
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
CA544340A
Other languages
French (fr)
Inventor
Rinzema Anne
Overeem Hendrik
L. Boucher Charles
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
Publication date
Application granted granted Critical
Publication of CA544340A publication Critical patent/CA544340A/en
Expired legal-status Critical Current

Links

CA544340A Method of electro-forming moulds for sound-carriers Expired CA544340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA544340T

Publications (1)

Publication Number Publication Date
CA544340A true CA544340A (en) 1957-07-30

Family

ID=35701510

Family Applications (1)

Application Number Title Priority Date Filing Date
CA544340A Expired CA544340A (en) Method of electro-forming moulds for sound-carriers

Country Status (1)

Country Link
CA (1) CA544340A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269669A (en) * 1979-06-01 1981-05-26 Emi Limited High speed electroplating

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269669A (en) * 1979-06-01 1981-05-26 Emi Limited High speed electroplating

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