F - Mech Eng,Light,Heat,Weapons – 28 – F
Patent
F - Mech Eng,Light,Heat,Weapons
28
F
26/155
F28F 1/40 (2006.01) B23K 9/20 (2006.01) B23K 9/32 (2006.01)
Patent
CA 1116381
A B S T R A C T The invention relates to a tube with surface-enlarging elements attached to the inside thereof, which elements are in the form of radially inward directed pins welded on the tube wall.
312075
Gotaverken Angteknik Ab
Gowling Lafleur Henderson Llp
LandOfFree
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