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发明名称
Improvements in or relating to the manufacture of flints in the form of moulded rods
摘要
申请公布号
GB646890(A)
申请公布日期
1950.11.29
申请号
GB19480016595
申请日期
1948.06.21
申请人
ERIK LJUNGSTROEM
发明人
分类号
B22C9/06
主分类号
B22C9/06
代理机构
代理人
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