Patent search ap:("TIDE WATER ASSOCIATED OIL COMP") AND inv:"HALL HARRY G" Page 1

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发明授权
Mercury sealed valve 失效
Title translation: 汞密封阀

公开(公告)号：US2642891A

公开(公告)日：1953-06-23

申请号：US18082450

申请日：1950-08-22

Applicant: TIDE WATER ASSOCIATED OIL COMP

Inventor： HARRISON ROBERT D , HALL HARRY G

IPC: B01L3/00 , F16K13/10

CPC classification number: B01L3/569 , F16K13/10 , Y10T137/4621 , Y10T137/7306

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