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经营范围
发明名称
Bubble inclination gauge including a central shield for light-emitting and light-detecting means
摘要
申请公布号
US4956922(A)
申请公布日期
1990.09.18
申请号
US19890383740
申请日期
1989.07.03
申请人
BODEWES-TUNHAU, SOPHA
发明人
BODEWES, JOHANNES W. M.
分类号
G01C9/00;G01C9/06;G01C9/34
主分类号
G01C9/00
代理机构
代理人
主权项
地址
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