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经营范围
发明名称
VENTURI LOADING SYSTEM
摘要
申请公布号
CA859009(A)
申请公布日期
1970.12.22
申请号
CAD859009
申请日期
申请人
W.R. GRACE AND CO.
发明人
HAROLD F. SHROYER
分类号
主分类号
代理机构
代理人
主权项
地址
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