Patent search ap:("TOA NENRYO KOGYO KK") AND inv:"ONODERA TAKASHI" Page 1

$System for the continuous and automatic measurement of the sulfur content of petroleum fractions$

1.

发明授权
System for the continuous and automatic measurement of the sulfur content of petroleum fractions 失效
Title translation: 连续和自动测量石油馏分含硫量的系统

公开(公告)号：US3500446A

公开(公告)日：1970-03-10

申请号：US3500446D

申请日：1968-02-14

Applicant: TOA NENRYO KOGYO KK

Inventor： HASEGAWA KEISHI , ONODERA TAKASHI

IPC: G01N23/12 , H01J37/00

CPC classification number: G01N23/12

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