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发明名称
SWING FORCE INDICATOR FOR SPORTS EQUIPMENT
摘要
申请公布号
GB8721569(D0)
申请公布日期
1987.10.21
申请号
GB19870021569
申请日期
1987.09.14
申请人
MAROTH ASSOCIATES INC
发明人
分类号
A63B69/00;A63B15/00;A63B69/36;(IPC1-7):A63B69/36
主分类号
A63B69/00
代理机构
代理人
主权项
地址
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