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经营范围
发明名称
MERCERIZING PENETRANT
摘要
申请公布号
CA423828(A)
申请公布日期
1944.11.14
申请号
CAD423828
申请日期
申请人
NATIONAL OIL PRODUCTS CO.
发明人
ARTHUR DE CASTRO
分类号
主分类号
代理机构
代理人
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