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发明名称
Method of making a universal joint
摘要
申请公布号
US1908086(A)
申请公布日期
1933.05.09
申请号
US19270239079
申请日期
1927.12.10
申请人
LEONARD H. MATTINGLY
发明人
URCH RAYMOND G.
分类号
B22D19/12
主分类号
B22D19/12
代理机构
代理人
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地址
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