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发明名称
Improvements in or relating to methods for determining the structural nature of media by sound reflections
摘要
申请公布号
GB1117842(A)
申请公布日期
1968.06.26
申请号
GB19660005919
申请日期
1966.02.10
申请人
VEB SCHWERMASCHINENBAU "KARL LIEBKNECHT" MAGDEBURG
发明人
RICHTER HANS-ULRICH;JAHN PETER
分类号
G01N29/11
主分类号
G01N29/11
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