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经营范围
发明名称
Pulping machine
摘要
申请公布号
US1869243(A)
申请公布日期
1932.07.26
申请号
US19310525002
申请日期
1931.03.24
申请人
GROUNDWATER FRASER WILLIAM
发明人
FRASER WILLIAM GROUNDWATER
分类号
D21D1/32
主分类号
D21D1/32
代理机构
代理人
主权项
地址
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