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发明名称
ROLLER SKATES AND HILL WITH SPRING-BOARD FOR SLIDING DOWNHILL ON ROLLER SKATES AND DRIVING
摘要
申请公布号
SU791388(A1)
申请公布日期
1980.12.30
申请号
SU19752180422
申请日期
1975.10.10
申请人
SHVETSOV BORIS A,SU
发明人
SHVETSOV BORIS A,SU
分类号
A63G21/16;A63G21/18;(IPC1-7):A63G21/16
主分类号
A63G21/16
代理机构
代理人
主权项
地址
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