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经营范围
发明名称
Electrostatic flying toy
摘要
申请公布号
GB439444(A)
申请公布日期
1935.12.06
申请号
GB19340032597
申请日期
1934.11.12
申请人
HANS HERMANN WEIL
发明人
分类号
A63H33/26;E21B43/04
主分类号
A63H33/26
代理机构
代理人
主权项
地址
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