共 50 条
- [32] ELICITING PATENT EXAMINER TESTIMONY JOURNAL OF THE PATENT OFFICE SOCIETY, 1977, 59 (10): : 629 - 644
- [37] Lightening the operations load JOURNAL AMERICAN WATER WORKS ASSOCIATION, 1999, 91 (05): : 41 - 41
- [40] Lightening the load for aerospace design AIRCRAFT ENGINEERING AND AEROSPACE TECHNOLOGY, 2002, 74 (03): : 274 - 274