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发明名称
Method and means for attaching spongy material to backings or holders
摘要
申请公布号
US2150196(A)
申请公布日期
1939.03.14
申请号
US19360112786
申请日期
1936.11.25
申请人
VAUGHN SIDNEY P
发明人
VAUGHN SIDNEY P.
分类号
A47L1/06
主分类号
A47L1/06
代理机构
代理人
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