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发明名称
Bushing for lining the bores of joints
摘要
申请公布号
US1750554(A)
申请公布日期
1930.03.11
申请号
US19270159432
申请日期
1927.01.06
申请人
JOSEF WALTER
发明人
WALTER JOSEF
分类号
B61L5/00
主分类号
B61L5/00
代理机构
代理人
主权项
地址
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