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经营范围
发明名称
Sound deadening means
摘要
申请公布号
GB2141756(A)
申请公布日期
1985.01.03
申请号
GB19830007675
申请日期
1983.03.19
申请人
JAMES * WALKER
发明人
JAMES * WALKER
分类号
E04B1/82;(IPC1-7):E04B1/84
主分类号
E04B1/82
代理机构
代理人
主权项
地址
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