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摘要
申请公布号
GB645873(A)
申请公布日期
1950.11.08
申请号
GB19470009926
申请日期
1947.04.14
申请人
MARIUS DEN OUTER
发明人
分类号
B42F17/00
主分类号
B42F17/00
代理机构
代理人
主权项
地址
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