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发明名称
SCREEN VIBRATING MECHANISM
摘要
申请公布号
CA482728(A)
申请公布日期
1952.04.22
申请号
CAD482728
申请日期
申请人
WHITING CORPORATION (CANADA) LIMITED
发明人
ROBERT STROUD
分类号
主分类号
代理机构
代理人
主权项
地址
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