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发明名称
SOUND-ABSORBENT COVERINGS
摘要
申请公布号
CA781266(A)
申请公布日期
1968.03.26
申请号
CAD781266
申请日期
申请人
SULZER BROTHERS LIMITED
发明人
YIAN-NIAN CHEN;ERICH PHILIPP
分类号
主分类号
代理机构
代理人
主权项
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