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经营范围
发明名称
Shaft seal
摘要
申请公布号
US1972393(A)
申请公布日期
1934.09.04
申请号
US19280273810
申请日期
1928.04.30
申请人
CATERPILLAR TRACTOR CO.
发明人
RADFORD WILLIAM H.
分类号
F16C33/74;F16J15/34
主分类号
F16C33/74
代理机构
代理人
主权项
地址
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