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经营范围
发明名称
Separable snap fastener
摘要
申请公布号
US2688173(A)
申请公布日期
1954.09.07
申请号
US19510246921
申请日期
1951.09.17
申请人
NELS E. NELSON
发明人
PEET NIXON VAN
分类号
F16B21/07
主分类号
F16B21/07
代理机构
代理人
主权项
地址
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