Patent search ap:("ELECTRICITE DE FRANCE") AND inv:"ROCOPLAN JEAN" Page 1

1.

发明授权
Apparatus for measuring the moisture content and density of the soil 失效
Title translation: 测量土壤水分含量和密度的装置

公开(公告)号：US3524062A

公开(公告)日：1970-08-11

申请号：US3524062D

申请日：1968-03-15

Applicant: ELECTRICITE DE FRANCE

Inventor： ROCOPLAN JEAN , WACK BERNARD

IPC: G01N23/09 , G01N23/201 , G01V5/02 , G01V5/00

CPC classification number: G01N23/09 , G01N23/201 , G01V5/02

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