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发明名称
IMPROVEMENTS IN AND RELATING TO PRESSURISED ENVELOPES
摘要
申请公布号
SG69693(G)
申请公布日期
1993.08.06
申请号
SG19930000696
申请日期
1993.05.28
申请人
MARION FRANKLIN RUDY
发明人
分类号
A43B13/20;A43B13/37;A43B13/38;(IPC1-7):A43B13/20
主分类号
A43B13/20
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代理人
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