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发明名称
Roller coaster of the loop-the-loop type
摘要
申请公布号
US2567438(A)
申请公布日期
1951.09.11
申请号
US19460654711
申请日期
1946.03.15
申请人
JOY TOYS, INC.
发明人
MCBRIDE CHARLES L.
分类号
A63H18/00
主分类号
A63H18/00
代理机构
代理人
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地址
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