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发明名称
OIL SEAL
摘要
申请公布号
CA438967(A)
申请公布日期
1947.01.07
申请号
CAD438967
申请日期
申请人
HENRY CLARK ABELL
发明人
HENRY CLARK ABELL
分类号
主分类号
代理机构
代理人
主权项
地址
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