PARAFFIN WAXES |
||||
TOM REEL |
BAG | ITEM | FRAMES | |
CAST waxes, especially for dental work, German 746,787, 8/25/44 |
67 |
1100-1101 |
||
EXTRACTION methods in Roumania, patents and applications on |
56 |
557-560 |
||
HUNGARIAN patents on extraction methods |
56 |
568-571 |
||
ITALIAN patents on extraction methods |
56 |
561-567 |
||
PARAFFIN waxes, high or low melting, recovery of from coal, oil shale, or other bituminous substances, German 709,722 |
224 |
10263-10264 |
||
20088-20090 |
||||
PROPANE extraction in Germany, patent situation on |
56 |
572-573 |
||
“ extraction in occupied Poland, patent situation on |
56 |
574-591 |