Extract from the Register of European Patents

EP Citations: EP0204388

Cited inSearch
Type:Patent literature
Publication No.:US3139371  [A]
 (SISKO JOHN M);
Type:Patent literature
Publication No.:FR2396633  [AD]
 (HOORN BETONFAB [NL]);
Type:Patent literature
Publication No.:FR2411269  [A]
 (SOTUBEMA SA [FR]);
Type:Patent literature
Publication No.:NL8104983  [E]
 (HOORN BETONFAB)