Extract from the Register of European Patents

EP Citations: EP0259236

Cited inSearch
Type:Patent literature
Publication No.:US4116476  [X]
 (PORTER GARY K, et al);
Type:Patent literature
Publication No.:FR2400158  [X]
 (BUNKER RAMO [US]);
Type:Patent literature
Publication No.:DE1801559  [X]
 (WALTHER CARL KURT FA)