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发明名称
Document file
摘要
申请公布号
GB2228233(A)
申请公布日期
1990.08.22
申请号
GB19890000979
申请日期
1989.01.17
申请人
* TOLLIT & HARVEY LIMITED
发明人
DAVID ARTHUR * PERCIVAL;MARTIN * HANCOCK;KEITH * RICHARDS
分类号
B42F13/10
主分类号
B42F13/10
代理机构
代理人
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地址
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