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发明名称
Felt-punching machine
摘要
申请公布号
US1800499(A)
申请公布日期
1931.04.14
申请号
US19270165651
申请日期
1927.02.03
申请人
AMERICAN HAIR & FELT COMPANY
发明人
BETTISON PERCY R.
分类号
D04H18/00
主分类号
D04H18/00
代理机构
代理人
主权项
地址
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