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发明名称
Method of making integral felted fibrous structures
摘要
申请公布号
US1907795(A)
申请公布日期
1933.05.09
申请号
US19310538762
申请日期
1931.05.20
申请人
ARVEY MANUFACTURING CO.
发明人
HALL RICHARD E.
分类号
D21J7/00
主分类号
D21J7/00
代理机构
代理人
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地址
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