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发明名称
LENS APPARATUS FOR WELDING HELMET
摘要
申请公布号
JPS56112243(A)
申请公布日期
1981.09.04
申请号
JP19810007111
申请日期
1981.01.20
申请人
GOR VUE CORP
发明人
MATSUKU GOODON;TOOMASU BII HAASHIYU
分类号
B23K9/32;A61F9/06;B23K37/00
主分类号
B23K9/32
代理机构
代理人
主权项
地址
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