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经营范围
发明名称
AN ACOUSTIC BARRIER
摘要
申请公布号
AU6811190(A)
申请公布日期
1991.06.20
申请号
AU19900068111
申请日期
1990.12.14
申请人
WINSTONE SPECIALTY PRODUCTS LIMITED
发明人
ANTONY FIELDING WILLIS
分类号
E04B1/74;E04B1/82;E04B1/84;E04B2/02;E04B2/28;E06B5/20;G10K11/16
主分类号
E04B1/74
代理机构
代理人
主权项
地址
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