VALTUBES S.A

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Patents Grantslast 30 patents

Information Patent Grant
Metallic powder for producing pieces by compression and sintering,...
- Patent number 5,460,641
- Issue date Oct 24, 1995
- Valtubes
- Christer Aslund
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of assessing faults in metal tubes having internal helical ribs
- Patent number 5,230,247
- Issue date Jul 27, 1993
- Valtubes
- Phu-Ann Ngo
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

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