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发明名称
Improvements relating to paper making machines
摘要
申请公布号
GB339370(A)
申请公布日期
1930.12.11
申请号
GB19290027827
申请日期
1929.09.13
申请人
JOHN WYLIE GRANT
发明人
分类号
D21G1/00
主分类号
D21G1/00
代理机构
代理人
主权项
地址
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