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经营范围
发明名称
Separable fastener
摘要
申请公布号
US2053747(A)
申请公布日期
1936.09.08
申请号
US19350015297
申请日期
1935.04.08
申请人
SPENCE ZENO B
发明人
SPENCE ZENO B.
分类号
A47L13/52
主分类号
A47L13/52
代理机构
代理人
主权项
地址
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