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经营范围
发明名称
Height indicator
摘要
申请公布号
US1991892(A)
申请公布日期
1935.02.19
申请号
US19220530162
申请日期
1922.01.18
申请人
FESSENDEN REGINALD A
发明人
FESSENDEN REGINALD A.
分类号
G01S11/02;G01S19/07;G01S19/14;G01S19/40;G01S19/41
主分类号
G01S11/02
代理机构
代理人
主权项
地址
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