|
GB1309949A
|
|
Coolant and lubricant for metal cutting
|
|
DE2000035A1
|
|
Coolant lubricant for metal cutting
|
|
DE1940758A1
|
|
Stabilised lubricating oils of the ether - alcohol or ester type
|
|
GB1235950A
|
|
Lubricating oil for internal combustion engines
|
|
DE1905072A1
|
|
First-fill oils for internal combustion - engines
|
|
DE1763793A1
|
|
Method and arrangement for determining a part of a widely ramified three-phase high-voltage network without a rigidly earthed zero point
|
|
DE1766883A1
|
|
Method and arrangement for the determination of a ground fault in a DC network operated in isolation from ground
|
|
DE1594659A1
|
|
Process for the production of lubricating greases
|
