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发明名称
Method for washing spongy material
摘要
申请公布号
US2583183(A)
申请公布日期
1952.01.22
申请号
US19480012706
申请日期
1948.03.03
申请人
GENERAL MOTORS CORPORATION
发明人
MARVIN JOHN T.;MCFADDEN GEORGE H.
分类号
A47L13/16;B08B3/04;B29C67/24
主分类号
A47L13/16
代理机构
代理人
主权项
地址
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