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发明名称
APPARATUS AND METHOD FOR MAKING FIBROUS FELTS
摘要
申请公布号
CA528737(A)
申请公布日期
1956.08.07
申请号
CAD528737
申请日期
申请人
CANADIAN GYPSUM COMPANY LIMITED
发明人
RICHARD M. DOWNEY
分类号
主分类号
代理机构
代理人
主权项
地址
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