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［51］Int．CI．6B61K7／00［21］申请号95210969．7专利号ZL95210969．7［11］授权公告号CN2241657Y［22］申请日95．5．19［24］颁证日96．11．16［73］专利权人哈尔滨铁路局哈尔滨科学技术研究所地址150006黑龙江省哈尔滨市南岗区邮政街364号［72］设计人冯春海雷永厚［74］
[51] Int. CI. 6B61K7 / 00 [21] Application No. 95210969.7 Patent No. ZL95210969.7 [11] Authorization Bulletin No. CN2241657Y [22] The date of application 95.5.19 [24] The date of certification 96.11.16 [73] The patentee Harbin Railway Bureau Harbin Institute of Science and Technology Address 150006 Heilongjiang Province Nangang District Postal Street 364 [72] Designer Feng Chunhai Lei Yong thick [74]