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发明名称
SOUND PROOF MATAERIALS AND PRODUCTS MADE OF EGGS
摘要
申请公布号
GR871803(B)
申请公布日期
1988.03.28
申请号
GR19870101803
申请日期
1987.11.25
申请人
NIPI SA ISGRASHDANE NA MATERIALNATA TECHICHESKA BASA V DUHOVNATA OBLAST
发明人
VELTCHEV N.A.;DONTCHEV D.T.;TZERNORETCHKI O.S.;BLAGOEN B.S.;ARKALIEN I.G.
分类号
主分类号
代理机构
代理人
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