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发明名称
TEACHING OR EDUCATIONAL APPARATUS
摘要
申请公布号
ZA8607555(B)
申请公布日期
1987.08.26
申请号
ZA19860007555
申请日期
1986.10.03
申请人
JAN VAN DEVENTER STRYDOM
发明人
JAN VAN DEVENTER STRYDOM
分类号
A63F;G09B
主分类号
A63F
代理机构
代理人
主权项
地址
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