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发明名称
DEPTH INDICATOR
摘要
申请公布号
GB1281632(A)
申请公布日期
1972.07.12
申请号
GB19700006112
申请日期
1970.02.09
申请人
THE EASTERN COMPANY
发明人
分类号
G01S7/34;G01S7/529;G01S15/14
主分类号
G01S7/34
代理机构
代理人
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地址
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