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发明名称
Плотномер для определения твердости почвы
摘要
申请公布号
SU103381(A2)
申请公布日期
1955.11.30
申请号
SU19550452434
申请日期
1955.03.03
申请人
TSYMBAL A.G.
发明人
TSYMBAL A.G.
分类号
G01N3/42;E02D1/00;G01L1/08
主分类号
G01N3/42
代理机构
代理人
主权项
地址
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