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经营范围
发明名称
PULPING PROCESS
摘要
申请公布号
CA553349(A)
申请公布日期
1958.02.18
申请号
CAD553349
申请日期
申请人
HERCULES POWDER COMPANY
发明人
GEORGE C. HARRIS
分类号
D21C3/02
主分类号
D21C3/02
代理机构
代理人
主权项
地址
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