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发明名称
ACOUSTICAL BOARD
摘要
申请公布号
CS180628(B2)
申请公布日期
1978.01.31
申请号
CS19740001811
申请日期
1974.03.13
申请人
ELEKTROAKUSZTIKAI GYAR,HU
发明人
KOVACS,GYOERGY,HU;TAKACS,SAROLTA,HU;SIMINSZKY,FEDOR,HU;BERENYI,SANDOR,HU;HANKO,JANOSNE,HU;TASNADI,IMRE,HU
分类号
E04B1/86;B32B33/00;E04B1/74;E04B1/99;(IPC1-7):E04B1/74
主分类号
E04B1/86
代理机构
代理人
主权项
地址
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