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发明名称
SOUND ABSORBING MATERIAL AND SOUND ABSORBING ELEMENTS PRODUCED THEREFROM
摘要
申请公布号
GB2213492(B)
申请公布日期
1991.01.02
申请号
GB19870029156
申请日期
1987.12.14
申请人
* NIPI ZA IZGRASHDANE NA MATERIALNATA I TECHNICHESKA BASA V DUHOVNATA OBLAST
发明人
NIKOLA ANDONOV * VELTCHEV;DONTCHO TRIFONOV * DONTCHEV;OGNYAN STEFANOPV * TZERNORETCHIKI;BLAGOY SPASSOV * BLAGOEV;ILIAN GEORGIEV * ARKALIEV
分类号
C04B28/26;(IPC1-7):C04B28/24
主分类号
C04B28/26
代理机构
代理人
主权项
地址
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