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经营范围
发明名称
VORTEX CHAMBER REJECT CONTROL
摘要
申请公布号
US3543932(A)
申请公布日期
1970.12.01
申请号
USD3543932
申请日期
1967.12.29
申请人
NICHOLS ENG. & RESEARCH CORP.
发明人
EDWARD L. RASTATTER
分类号
B04C5/28;(IPC1-7):B04C5/28
主分类号
B04C5/28
代理机构
代理人
主权项
地址
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