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发明名称
ACOUSTIC REFLECTOR
摘要
申请公布号
JPH01252999(A)
申请公布日期
1989.10.09
申请号
JP19890033875
申请日期
1989.02.15
申请人
B F GOODRICH CO:THE
发明人
ROBAATO HARISON BURATSUKU
分类号
G10K11/16;G10K11/178;G10K11/20
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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