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发明名称
Two section antiactinic glass for protective masks for electric arc welding
摘要
申请公布号
IT1236042(B)
申请公布日期
1992.12.22
申请号
IT19890001511
申请日期
1989.11.03
申请人
ALFONSI LUIGI
发明人
ALFONSI LUIGI
分类号
A61F;(IPC1-7):A61F/
主分类号
A61F
代理机构
代理人
主权项
地址
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