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发明名称
Snowfall simulating apparatus
摘要
申请公布号
US2897619(A)
申请公布日期
1959.08.04
申请号
US19560603369
申请日期
1956.08.10
申请人
ZENZ FREDERICK A
发明人
ZENZ FREDERICK A.
分类号
G09F19/10
主分类号
G09F19/10
代理机构
代理人
主权项
地址
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