%0 Journal Article %T EXTREMELY HIGH VACUUM LIQUID HELIUM CONDENSATION CRYOPUMP
%J 科学通报(英文版) %D 1992 %I %U http://www.alljournals.cn/get_abstract_url.aspx?pcid=01BA20E8BA813E1908F3698710BBFEFEE816345F465FEBA5&cid=96E6E851B5104576C2DD9FC1FBCB69EF&jid=DD6615BC9D2CFCE0B6F945E8D5314523&aid=82AB55A41CCE7F02C254EB7F01AAA4A6&yid=F53A2717BDB04D52&vid=42425781F0B1C26E&iid=59906B3B2830C2C5&sid=33C2C2DAF31F219B&eid=33C2C2DAF31F219B&journal_id=1001-6538&journal_name=科学通报(英文版)&referenced_num=0&reference_num=0