Patent search ap:("STANDARD OIL DEV CO") AND inv:"MARSHALL BENJAMIN T" Page 1

1.

发明授权
Apparatus for obtaining fluid samples and quenching same 失效
Title translation: 用于获得流体样品并淬火的装置

公开(公告)号：US2682277A

公开(公告)日：1954-06-29

申请号：US9015449

申请日：1949-04-28

Applicant: STANDARD OIL DEV CO

Inventor： MARSHALL BENJAMIN T , DOWNING MASON L , HARRINGTON PAUL J

IPC: G01N1/22

CPC classification number: G01N1/22 , Y10T137/4259 , Y10T137/6416 , Y10T137/87571

Patent Agency Ranking