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经营范围
发明名称
Pyrotechnic display
摘要
申请公布号
US1873201(A)
申请公布日期
1932.08.23
申请号
US19310574895
申请日期
1931.11.13
申请人
HITT RAY C
发明人
HITT RAY C.
分类号
F42B4/04
主分类号
F42B4/04
代理机构
代理人
主权项
地址
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