申请人 |
ROBINSON BROTHERS LTD., WEST BROMWICH, WEST MIDLANDS, GB |
发明人 |
POYNER, WILLIAM RAYMOND, RAVENSWOOD, WORCESTERSHIRE DY13 9SG, GB;CHAKRABORTY, KHIRUD BEHARI, HANDSWORTH, BIRMINGHAM B21 9PN, GB;VIRDI, RANVIR SINGH, HANDWORTH WOOD, BIRMINGHAM B20 1NL, GB |