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经营范围
发明名称
Screwthreaded nut
摘要
申请公布号
GB767882(A)
申请公布日期
1957.02.06
申请号
GB19550000888
申请日期
1955.01.11
申请人
FRIEDRICH WILHELM BERNAU
发明人
分类号
F16B37/00;F16B37/08
主分类号
F16B37/00
代理机构
代理人
主权项
地址
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