1550732-A is referenced by 26 patents.

Title
Mechanism for use in apparatus for playing a game of chance
Application Number
GB19770035586 19770824
Publication Number
1550732 (A)
Application Date
August 24, 1977
Publication Date
August 22, 1979
Assignee
Pbr Electronic Designs
IPC
G07F 17/34
G07F 17/32
G07F 17/34
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