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经营范围
发明名称
Safety wall cushion
摘要
申请公布号
US2606755(A)
申请公布日期
1952.08.12
申请号
US19490132318
申请日期
1949.12.10
申请人
SAMUEL SAMUELS
发明人
SAMUELS SAMUEL
分类号
E04H3/14
主分类号
E04H3/14
代理机构
代理人
主权项
地址
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