Extract from the Register of European Patents

EP Citations: EP0145645

Cited inSearch
Type:Patent literature
Publication No.:US2993680  [X]
 (DAVIS FRANK L);
Type:Patent literature
Publication No.:US3175806  [A]
 (PRETE JR ERNEST);
Type:Patent literature
Publication No.:FR2407097  [A]
 (GOETEBORGA BANDVAEVERI [SE])