Process for abrading material from inside pipes at junctions where branch pipes join main pipes, and an abrading device for carrying out the process
A Standard patent application filed on 10 April 1991 credited to Trummert, Otto

Details

Application number :

77524  

Application type :

Standard  

Application status :

LAPSED  

Under opposition :

No  

Proceeding type :

 

Invention title :

Process for abrading material from inside pipes at junctions where branch pipes join main pipes, and an abrading device for carrying out the process  

Inventor :

Trummert, Otto  

Agent name :

 

Address for service :

 

Filing date :

10 April 1991  

Associated companies :

 

Applicant name :

ETR Tiefbautechnik Gesellschaft M.B.H.  

Applicant address :

 

Old name :

 

Original Source :

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