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经营范围
发明名称
KEY SYSTEM
摘要
申请公布号
US3457746(A)
申请公布日期
1969.07.29
申请号
USD3457746
申请日期
1967.09.01
申请人
JOEL GLASSMAN
发明人
JOEL GLASSMAN
分类号
A45C11/32
主分类号
A45C11/32
代理机构
代理人
主权项
地址
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