patent · KR100881115B1
Fresnel lens and die for fresnel lens manufacturing
2 February 2009
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Provenance
- Collection
- Patents citing this work
- Patent office record
- patents.google.com →
- Source
- Google Patents citing-documents table
- Assignee
- 다이니폰 인사츠 가부시키가이샤
- Published
- 2009-02-02