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发明名称
摘要
申请公布号
DE1448716(B2)
申请公布日期
1971.01.28
申请号
DE19631448716
申请日期
1963.07.01
申请人
发明人
分类号
G01V1/50
主分类号
G01V1/50
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代理人
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地址
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