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发明名称
LETTER BOX
摘要
申请公布号
SU1507680(A1)
申请公布日期
1989.09.15
申请号
SU19874361920
申请日期
1987.12.03
申请人
SP PK BYURO MINISTERSTVA SVYAZI SSSR
发明人
PUGACHEV VIKTOR A,SU;GUDKOV VASILIJ N,SU;EGEREV IVAN S,SU;POPOVA ELENA S,SU;BARSUK IGOR V,SU
分类号
A47G29/12
主分类号
A47G29/12
代理机构
代理人
主权项
地址
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