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发明名称
BOESCHUNGSMESSLEHRE
摘要
申请公布号
DE8702769(U1)
申请公布日期
1988.02.11
申请号
DE19870002769U
申请日期
1987.01.30
申请人
SANAU, FRANK, 5840 SCHWERTE, DE
发明人
分类号
G01C9/28;(IPC1-7):E04G21/18;G01C9/26
主分类号
G01C9/28
代理机构
代理人
主权项
地址
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