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发明名称
MOTION GEAR OF A CROSS STAGE
摘要
申请公布号
PL113781(B1)
申请公布日期
1980.12.31
申请号
PL19770202243
申请日期
1977.11.18
申请人
发明人
分类号
G02B7/00;G02B21/26;G12B;(IPC1-7):G02B21/26
主分类号
G02B7/00
代理机构
代理人
主权项
地址
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