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经营范围
发明名称
TELESCOPIC HATCH CLOSURE
摘要
申请公布号
SU709455(A1)
申请公布日期
1980.01.15
申请号
SU19772465147
申请日期
1977.01.22
申请人
GRIGOREV ALEKSANDR V,SU;KOVALEV VALERIJ N,SU
发明人
GRIGOREV ALEKSANDR V,SU;KOVALEV VALERIJ N,SU
分类号
B63B19/18;(IPC1-7):B63B19/18
主分类号
B63B19/18
代理机构
代理人
主权项
地址
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