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[51]Int.Cl.~6B61D49/00[11]授权公告号:CN2288889Y[21]申请号96244743.9专利号:ZL96244743.9[22]申请日96.12.3[24]颁证日98.7.30[45]授权公告日98.8.26[73]专利权人北京昌平机车车辆机械厂地址102249北京市昌平火车站西[72]设计人赵宝明郑勇辛?
[51] Int. Cl. ~ 6B61D49 / 00 [11] Authorization Bulletin No .: CN2288889Y [21] Application No. 96244743.9 Patent No .: ZL96244743.9 [22] Application date 96.12.3 [24] Date of issuance 98.7.30 [45] Authorized announcement 98.8.26 [73] patentee Beijing Changping Locomotive and Rolling Stock Plant Address 102249 Beijing Changping Railway Station West [72] Designer Zhao Baoming Zheng Yongxin?