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发明名称
Improvements in method and means in the manufacture or treatment of boards and otherobjects
摘要
申请公布号
GB508096(A)
申请公布日期
1939.06.23
申请号
GB19370025522
申请日期
1937.09.20
申请人
AKTIEBOLAGET DEFIBRATOR
发明人
分类号
D21J1/00
主分类号
D21J1/00
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代理人
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