F27D2099/0081 - CPC Classification Index

ClassID:

161676 ⎘

F27D2099/0081 - CPC Classification

Classification description:

Subject matter not provided for in other groups of this subclass; Seals Joint

Recent Application in this class:

20200064072

2020-02-27

Method and system for furnace sealing

20180112920

2018-04-26

Method and system for furnace sealing

20150130140

2015-05-14

Method and system for furnace sealing

20150021837

2015-01-22

System of leaktight connection between a tuyere and a hot blast inlet nozzle for a shaft furnace, and steel-making blast furnace comprising such a system