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发明名称
Leveling instruments and methods for their manufacture
摘要
申请公布号
GB2206693(A)
申请公布日期
1989.01.11
申请号
GB19870014781
申请日期
1987.06.24
申请人
CHEN * CHONG-PAU
发明人
CHEN * CHONG-PAU
分类号
G01C9/34;(IPC1-7):G01C9/18
主分类号
G01C9/34
代理机构
代理人
主权项
地址
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