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发明名称
SAFETY HELMET WITH STABILIZING AND SIZING MEANS
摘要
申请公布号
CA861752(A)
申请公布日期
1971.01.26
申请号
CAD861752
申请日期
申请人
LEONARD P. FRIEDER
发明人
JACKSON A. AILEO
分类号
主分类号
代理机构
代理人
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