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发明名称
Safety attachment
摘要
申请公布号
US2458943(A)
申请公布日期
1949.01.11
申请号
US19470773141
申请日期
1947.09.10
申请人
HOUSEMAN ISAAC D
发明人
HOUSEMAN ISAAC D.
分类号
A62B35/04
主分类号
A62B35/04
代理机构
代理人
主权项
地址
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