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发明名称
Vertically displaceable ramp for a pinball machine
摘要
申请公布号
EP0978299(A3)
申请公布日期
2001.03.14
申请号
EP19990401443
申请日期
1999.06.11
申请人
WILLIAMS ELECTRONICS GAMES, INC.
发明人
KRUTSCH JOHN;LAWLOR PATRICK
分类号
A63D13/00;A63F7/02;A63F7/30;(IPC1-7):A63F7/02
主分类号
A63D13/00
代理机构
代理人
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