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经营范围
发明名称
SOUND ABSORBING STRUCTURE
摘要
申请公布号
JPS58543(A)
申请公布日期
1983.01.05
申请号
JP19810097436
申请日期
1981.06.25
申请人
HITACHI PLANT KENSETSU KK
发明人
TAKAHASHI MINORU;ASAMI KINICHIROU
分类号
G10K11/16;E04B1/86;G10K11/172
主分类号
G10K11/16
代理机构
代理人
主权项
地址
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