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经营范围
发明名称
Round pin
摘要
申请公布号
US2851755(A)
申请公布日期
1958.09.16
申请号
US19560631085
申请日期
1956.12.28
申请人
HUTFLES RAMONA M
发明人
HUTFLES RAMONA M.
分类号
A44B1/40
主分类号
A44B1/40
代理机构
代理人
主权项
地址
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