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经营范围
发明名称
An improved machine for disintegrating paper mill waste, straw and the like
摘要
申请公布号
GB659111(A)
申请公布日期
1951.10.17
申请号
GB19490007929
申请日期
1949.03.23
申请人
DOUGLAS FRASER
发明人
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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