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经营范围
发明名称
Doweled structure
摘要
申请公布号
US2451747(A)
申请公布日期
1948.10.19
申请号
US19450584396
申请日期
1945.03.23
申请人
KINDT ERNEST T
发明人
KINDT ERNEST T.
分类号
B22C21/10
主分类号
B22C21/10
代理机构
代理人
主权项
地址
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