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经营范围
发明名称
Improvements in or connected with rangefinders and like optical observation instruments
摘要
申请公布号
GB519023(A)
申请公布日期
1940.03.14
申请号
GB19380026127
申请日期
1938.09.07
申请人
BARR & STROUD, LIMITED;JAMES WEIR FRENCH
发明人
分类号
G01C3/12
主分类号
G01C3/12
代理机构
代理人
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地址
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