- ReferenceX853/34/5
- TitleComplete specification for Improvements relating to the cleaning of cocoa beans and the like, submitted by Peek Frean & Co Limited and Lawrence Edwinn Hunt Roberts.
- Date free text17 Dec 1938
- Production dateFrom: 1938 To: 1938
- ExentNo. of pieces: 1
- Level of descriptionitem
- Persons/institution keyword
- Keywords