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发明名称
Dual cross communion set
摘要
申请公布号
US2347681(A)
申请公布日期
1944.05.02
申请号
US19400353980
申请日期
1940.08.23
申请人
DELPHUS GOUDRCAU
发明人
GOUDRCAU DELPHUS
分类号
A47G33/02
主分类号
A47G33/02
代理机构
代理人
主权项
地址
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