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发明名称
Improvements in or relating to the production of sponge rubber
摘要
申请公布号
GB692616(A)
申请公布日期
1953.06.10
申请号
GB19490030755
申请日期
1949.11.30
申请人
EXPANDED RUBBER COMPANY LIMITED;ALFRED COOPER
发明人
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主分类号
代理机构
代理人
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