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经营范围
发明名称
SOUND REFLECTING BOARD DEVICE
摘要
申请公布号
JPH11141012(A)
申请公布日期
1999.05.25
申请号
JP19970322402
申请日期
1997.11.07
申请人
KAYABA IND CO LTD
发明人
NAKAJIMA YOSHIMASA;IMAIZUMI HIROTO
分类号
E04H3/24;E04B1/99;(IPC1-7):E04B1/99
主分类号
E04H3/24
代理机构
代理人
主权项
地址
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