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发明名称
SOUND ABSORBING BUILDING BOARD AND PROCESS FOR ITS MANUFACTURE
摘要
申请公布号
DE3071444(D1)
申请公布日期
1986.04.03
申请号
DE19803071444
申请日期
1980.07.14
申请人
WILHELMI WERKE GMBH & CO.KG:
发明人
WILHELMI, GUNTHER;SCHMIDT-RAISER, KARL-AUGUST
分类号
B32B15/08;E04B1/86;E04F13/12;(IPC1-7):E04B1/86;E04B5/54
主分类号
B32B15/08
代理机构
代理人
主权项
地址
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