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经营范围
发明名称
Multigem setting
摘要
申请公布号
US2419520(A)
申请公布日期
1947.04.22
申请号
US19460652407
申请日期
1946.03.06
申请人
TESSLER & WEISS, INC.
发明人
TESSLER BENEDICT
分类号
A44C17/02
主分类号
A44C17/02
代理机构
代理人
主权项
地址
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