|
DE2501613A1
|
|
Die built up of segments for metal forming - has curved segment contact interfaces ensuring favourable distribution of forces
|
|
US3276921A
|
|
Compositions and articles including non-pyrophoric microparticles
|
|
US2992948A
|
|
Metal coating composition and method of coating
|
|
US2799606A
|
|
Products for and methods of quenching to harden steels
|
|
US2789071A
|
|
Compositions and methods for treating articles
|
|
US2614948A
|
|
Producing modified machine elements
|
|
US2670310A
|
|
Quenching steel
|
|
US2562904A
|
|
Lubricating oil composition
|
|
US2578689A
|
|
Lubricant containing a reaction product of water-soluble sulfonic acids and phosphorus sulfide
|
|
US2481585A
|
|
Lubricating oil composition
|
|
US2274599A
|
|
Sound control
|
|
US2156530A
|
|
Protective covering
|
|
US2189788A
|
|
Lubricant
|
|
US2083013A
|
|
Metal cleaner
|
|
US2083014A
|
|
Metal treatment
|
