AU91538A - Improvements in or relating to methods of producing a covering layer on band-shaped material intended for mechanical sound records which canbe optically reproduced and copied
- Google Patents
Improvements in or relating to methods of producing a covering layer on band-shaped material intended for mechanical sound records which canbe optically reproduced and copied
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.)
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
Filing date
Publication date
Application filed by Philips Gloeilampenfabrieken NVfiledCriticalPhilips Gloeilampenfabrieken NV
Application grantedgrantedCritical
Publication of AU106838B2publicationCriticalpatent/AU106838B2/en
Publication of AU91538ApublicationCriticalpatent/AU91538A/en
AU915/38A1938-03-05Improvements in or relating to methods of producing a covering layer on band-shaped material intended for mechanical sound records which canbe optically reproduced and copied
ExpiredAU106838B2
(en)
Improvements in or relating to methods of producing a covering layer on band-shaped material intended for mechanical sound records which canbe optically reproduced and copied
Improvements in or relating to methods of producing a covering layer on band-shaped material intended for mechanical sound records which canbe optically reproduced and copied