论文部分内容阅读
[51]lnt.Cl.7B61F15/00B61F7/00[11]授权公告号CN2408003Y[21]申请号00210821.6专利号ZL00210821.6[22]申请日2000.2.4[24]颁证日2000.10.21[45]授权公告日2000.11.29[73
[51] lnt. Cl. 7B61F15 / 00B61F7 / 00 [11] Authorization Bulletin No. CN2408003Y [21] Application No. 00210821.6 Patent No. ZL00210821.6 [22] Application Date 2000.2.4 [24] Date of Certification 2000.10.21 [45] Announcement 2000.11.29 [73