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发明名称
Making felt containing cork granules
摘要
申请公布号
US2722869(A)
申请公布日期
1955.11.08
申请号
US19530346810
申请日期
1953.04.03
申请人
BROWN COMPANY
发明人
ARCHER EDWARD M.
分类号
D21J1/00
主分类号
D21J1/00
代理机构
代理人
主权项
地址
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