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发明名称
Improvements in or relating to method and apparatus for impregnating sponge-like articles
摘要
申请公布号
GB897299(A)
申请公布日期
1962.05.23
申请号
GB19570040057
申请日期
1957.12.24
申请人
ROBERT AMON
发明人
分类号
主分类号
代理机构
代理人
主权项
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