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发明名称
ADJUSTABLE NOISE-ABSORBING ELEMENT
摘要
申请公布号
SU1286698(A1)
申请公布日期
1987.01.30
申请号
SU19843764482
申请日期
1984.07.04
申请人
VORONEZHSKIJ INZH-STR INSTITUT
发明人
MELNIKOV EVGENIJ D,SU
分类号
E04B1/84
主分类号
E04B1/84
代理机构
代理人
主权项
地址
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