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发明名称
HELMET WITH EYESHIELD
摘要
申请公布号
CA564677(A)
申请公布日期
1958.10.14
申请号
CAD564677
申请日期
申请人
MINE SAFETY APPLIANCES COMPANY
发明人
PRESTON F. BAILEY;JOHN H. SCHNEIDER;JAMES A. RICHARD
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