澳门永利

Patents Information

作者:公西涯昆    发布时间:2019-03-03 03:04:02    

Copies of patents, which contain fuller details and addresses of inventors, can be obtained from science reference libraries around Britain. For the details of free public access and purchase price, contact the British Patent Office at Concept House, Cardiff Road, Newport, Gwent NP9 1RH (Tel: 0633 813535) or the Science Reference and Information Service, 25 Southampton Buildings, London WC2A 1AY (Tel:

 

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