参考文献:
Cambridge Enterprise Limited Kapadnis, Prashant Bhimrao Glen, Robert Hiley, Robin Bell, James Spring, David Patent: US03/5337 A, 03 Location in patent: Paragraph 053 05
参考文献:
CAMBRIDGE ENTERPRISE LIMITED GLEN, Robert HILEY, Robin BELL, James SPRING, David KAPADNIS, Prashant, Bhimrao Patent: WO0/98776 A, 0 WO 0/098776 A