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发明名称
Прибор для определения плотности грунтов
摘要
申请公布号
SU109241(A1)
申请公布日期
1957.11.30
申请号
SU19560563503
申请日期
1956.12.17
申请人
FEDOROV I.S.
发明人
FEDOROV I.S.
分类号
G01N3/42;E01C7/00;E02D1/00;G01N9/12
主分类号
G01N3/42
代理机构
代理人
主权项
地址
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