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发明名称
(B1) ;PLANE DRIVING MECHANISM
摘要
申请公布号
PL229484(A1)
申请公布日期
1981.09.18
申请号
PL19810229484
申请日期
1981.02.02
申请人
HALBACH & BRAUN
发明人
BRAUN ERNST;BRAUN GERT
分类号
E21C27/32;E21C27/34;E21C29/00;E21C29/14;E21C29/16;(IPC1-7):E21C/
主分类号
E21C27/32
代理机构
代理人
主权项
地址
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