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经营范围
发明名称
Concrete vibrator
摘要
申请公布号
GB805315(A)
申请公布日期
1958.12.03
申请号
GB19560023641
申请日期
1956.07.31
申请人
MASTER VIBRATOR COMPANY
发明人
分类号
E04G21/08
主分类号
E04G21/08
代理机构
代理人
主权项
地址
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