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经营范围
发明名称
ROTARY CONVERTER SEALING DEVICES
摘要
申请公布号
CA520908(A)
申请公布日期
1956.01.17
申请号
CAD520908
申请日期
申请人
SUN OIL COMPANY
发明人
JOHN F. MCKINNEY JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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