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发明名称
MANUFACTURE OF HEMISPHERE TYPE SHELL SKIN FOR FIREWORK
摘要
申请公布号
JPH0198900(A)
申请公布日期
1989.04.17
申请号
JP19870255697
申请日期
1987.10.10
申请人
SEKIYA AKIO
发明人
SEKIYA AKIO
分类号
F42B4/30
主分类号
F42B4/30
代理机构
代理人
主权项
地址
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