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发明名称
IMPROVEMENTS IN OR RELATING TO METAL SURFACES
摘要
申请公布号
GB1272391(A)
申请公布日期
1972.04.26
申请号
GB19680027370
申请日期
1968.06.08
申请人
TETRONICS RESEARCH & DEVELOPMENT COMPANY LIMITED
发明人
JOZEF KAZIMIERZ TYLKO
分类号
B21C47/04;H05H1/32
主分类号
B21C47/04
代理机构
代理人
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